Jack In The Box

4124 Mexico Rd, St Peters
(636) 928-8941

Recent Reviews Order Online

Customers' Favorites

Vanilla Milkshake with Whipped Cream
Bacon & Egg Chicken Sandwich Combo
Bacon & Swiss Buttery Jack Combo
Jack's Spicy Chicken with Cheese
Bacon Cheddar Fries with Cheese
Homestyle Ranch Chicken Club
Jack's Spicy Chicken Combo
Ultimate Breakfast Sandwich
Extreme Sausage Sandwich
Ultimate Cheeseburger

Menu

What's New
6pc Cinnamon Sugar Churro Flavor French Toast Sticks
When French toast & churros love each other, this happens: 6 French toast sticks dipped in sweet vanilla batter, deep fried & rolled in cinnamon sugar.
6pc Classic French Toast Sticks
When 3 French Toast Sticks just aren't enough, get 6 French Toast Sticks to add to your breakfast, lunch, dinner, and even late night meals.
3pc Cinnamon Sugar Churro Flavor French Toast Sticks
3 French toast sticks dipped in sweet vanilla batter, deep fried until crispy and rolled in cinnamon sugar. Breakfast as dessert? Dessert as breakfast?
3pc Classic French Toast Sticks
These French Toast Sticks with syrup are the perfect accessory to any meal. Breakfast, lunch, or dinner -- they're perfect.
Large Fish Sandwich Combo
Includes large French Fries and your choice of a large drink.
Fish Sandwich
A crispy panko breaded wild caught Alaskan Pollock fish filet with tartar sauce and shredded lettuce on a toasted buttery bakery bun. Yep, it's reel good.
4pc Mozzarella Sticks
Mozzarella Sticks are back and better than ever with delicious Italian seasoning and melty mozzarella cheese. Served with marinara sauce.
Large Oreo® Cookie Mint Shake
Our fan favorite Oreo® Shake with a cool and minty flavor. Made with Oreo® cookie pieces and finished with whipped topping and a cherry.

Burger Combos
Large Bacon Ultimate Cheeseburger™ Combo
Includes large French Fries and your choice of a large drink.
Large Ultimate Cheeseburger™ Combo
Includes large French Fries and your choice of a large drink.
Large Classic Buttery Jack® Combo
Includes large French Fries and your choice of a large drink.
Large Bacon & Swiss Buttery Jack® Combo
Includes large French Fries and your choice of a large drink.
Large Double Jack® Combo
Includes large French Fries and your choice of a large drink.
Large Sourdough Jack® Combo
Includes large French Fries and your choice of a large drink.
Large Jumbo Jack® Cheeseburger Combo
Includes large French Fries and your choice of a large drink.
Large Jumbo Jack® Combo
Includes large French Fries and your choice of a large drink.

Chicken Combos
Large Jack's Spicy Chicken® w/ Cheese Combo
Includes large French Fries and your choice of a large drink.
Large Jack's Spicy Chicken® Combo
100% all white meat spicy crispy chicken fillet with tomato, lettuce & mayo on a toasted buttery bakery bun, plus fries & drink. Crazily tasty.
Large Cluck Sandwich Combo
Includes large French Fries and your choice of large drink.
Large Homestyle Ranch Chicken Club Combo
100% all-white meat crispy chicken fillet, Swiss style cheese, hickory smoked bacon, lettuce, tomato, buttermilk ranch & signature brioche, fries & drink.
Large Grilled Chicken Sandwich Combo
Includes large French Fries and your choice of a large drink.
Large Crispy Chicken Strips (5) Combo
Includes large French Fries and your choice of a large drink.
Large Crispy Chicken Strips (3) Combo
Includes large French Fries and your choice of a large drink.
Large Chicken Nuggets (8) Combo
Includes large French Fries and your choice of a large drink.
Large Chicken Fajita Pita Combo
Includes large French Fries and your choice of a large drink.
Chicken Teriyaki Bowl Combo
Chicken Teriyaki Bowl, Jumbo Egg Roll, and your choice of drink.

Breakfast Combos
Supreme Sourdough Combo
Includes hash brown and your choice of a large drink.
Supreme Croissant Combo
Includes hash brown and your choice of a large drink.
Sausage Croissant Combo
Includes hash brown and your choice of a large drink.
Ultimate Breakfast Sandwich Combo
Includes hash brown and your choice of a large drink.
Extreme Sausage® Sandwich Combo
Includes hash brown and your choice of a large drink.
Meat Lovers Burrito Combo
Includes hash brown and your choice of a large drink.
Loaded Breakfast Sandwich Combo
Includes hash brown and your choice of a large drink.
Sourdough Breakfast Sandwich Combo
Includes hash brown and your choice of a large drink.
Sausage Breakfast Jack® Combo
Includes hash brown and your choice of a large drink.
Bacon Breakfast Jack® Combo
Includes hash brown and your choice of a large drink.
Jumbo Breakfast Platter w/ Sausage Combo
Includes hash brown and your choice of a large drink.
Jumbo Breakfast Platter w/ Bacon Combo
Includes hash brown and your choice of a large drink.
Jumbo Breakfast Platter w/ Bacon & Sausage Combo
Includes hash brown and your choice of a large drink.

Tacos, Fries & Sides
Tiny Tacos
Crunchy, bite-size Tiny Tacos with a side of creamy avocado lime sauce. They're like little love letters to your mouth.
Loaded Tiny Tacos
Crunchy, bite-size Tiny Tacos loaded with cheddar cheese sauce, shredded lettuce & our signature taco sauce. Sometimes you need a lotta little tacos.
Classic Grilled Jack Wrap
Grilled chicken strips, shredded lettuce, shredded cheddar, pickles, Good Good sauce & buttermilk ranch in a warm tortilla. That's a good good snack.
Spicy Grilled Jack Wrap
Grilled chicken strips, shredded lettuce, shredded cheddar, jalapenos, Spicy Good Good sauce & buttermilk ranch in a warm tortilla. It's good good!
Classic Crispy Jack Wrap
A chicken strip, shredded lettuce, shredded cheddar, pickles, Good Good sauce & buttermilk ranch dressing wrapped up in a warm tortilla. That's a good good snack.
Spicy Crispy Jack Wrap
A chicken strip, shredded lettuce, shredded cheddar, jalapenos, Spicy Good Good sauce & buttermilk ranch wrapped up in a warm tortilla. A spicy good snack!
Two Tacos
2 crunchy tacos topped with American cheese, shredded lettuce, and taco sauce
Large Curly Fry
Perfectly seasoned, crispy curly fries. The type of item you're supposed to share, but we both know how this is going to go.
Large French Fry
Lightly salted, real potatoes fried to crispy perfection and served hot. The absolutely classic, perfect accompaniment to everything else on this menu.
Onion Rings
Panko breaded and fried to jaw-dropping perfection. You've had onion rings before, you say. But have you really?
Stuffed Jalapenos (7)
Crispy breaded and fried jalapeños, stuffed with oozing melty cheese. Poems will be written about these.
Stuffed Jalapenos (3)
Crispy breaded and fried jalapeños, stuffed with oozing melty cheese. Poems will be written about these.
Jumbo Egg Rolls (3)
Our egg rolls are filled with ground pork, cabbage, celery, carrots, onions & spices, with a side of sweet & sour sauce. You can't go wrong, really.
Jumbo Egg Roll (1)
Our egg rolls are filled with ground pork, cabbage, celery, carrots, onions & spices, with a side of sweet & sour sauce. You can't go wrong, really.

Shakes & Desserts
Large Oreo® Shake
Classic OREO® cookies pieces make this thick and creamy shake one of the best ways to have your milk and cookies.
Large Strawberry Shake
A thick and creamy shake, blended with strawberry flavors. Worth getting brain freeze over.
Large Chocolate Shake
Our thick and creamy shake with chocolate syrup is a timeless classic. Get it before it's gone. Just kidding, it's not going anywhere.
Large Vanilla Shake
A thick and creamy vanilla shake. It's old-school cool.
Mini Churros (5)
Bite-sized Mini Churros dusted with cinnamon sugar. Perfect for sharing, with yourself.
Cheesecake
Light and creamy New York Style Cheesecake with graham cracker crust.
Chocolate Overload™ Cake
Rich chocolate cake made with cocoa, bittersweet chocolate chips and drizzled with chocolate buttercream icing. It doesn't get more chocolate than this.

Drinks
Large Coca-Cola®
The Original Coca-Cola® crisp & refreshing.
Large Coca-Cola® Zero Sugar
Real Coca-Cola® flavor without any sugar.
Large Diet Coke®
Perfect balance of crisp & refreshing with no sugar & no calories
Large Sprite®
Lemon-lime soda with 100% natural flavors.
Large Barq's® Root Beer
Cool off with a refreshing BARQ'S® Root Beer.
Large Fanta®
Tingly, fruity taste that's bright and bubbly.
Large Dr Pepper®
Cool off with a refreshing Dr Pepper®.
Large Peace Tea
There's peace, happiness, and fresh iced tea flavor in every sip of Peace Tea.
Large Peace Tea Zero Sugar
There's peace, happiness, fresh iced tea flavor, and zero sugar in every sip of Peace Tea.
Large Minute Maid® Lemonade
Classic lemonade with a sweet, refreshing taste.
Large Minute Maid® Lemonade Zero Sugar
Classic lemonade with a sweet, refreshing taste and zero sugar.
Large Gold Peak® Iced Tea
Freshly brewed tea with real ingredients.
Milk Tea w/ Boba
Our freshly brewed tea with sweetened cream & vanilla, served over ice & made even more delicious with brown sugar Boba. Jack's got Boba!? Oh sweet.
Iced Coffee w/ Boba
Our chilled, High Mountain Arabica coffee with sweetened cream & vanilla, served over ice with brown sugar Boba. This is legit delicious, my friends.
Strawberry Red Daze Red Bull Infusion w/ Red Bull® Energy
A refreshing & energizing iced beverage infused with mixed berry flavors. Made to order with Red Bull® Energy Drink. *Contains Artificial Flavors*
Strawberry Red Daze Red Bull Infusion w/ Red Bull® Sugarfree
A refreshing & energizing iced beverage infused with sweet strawberry & tart tangerine flavors. Made with Red Bull® Sugarfree. *Contains Artificial Flavors*
Berry Purple Daze Red Bull Infusion w/ Red Bull® Energy
A refreshing & energizing iced beverage infused with mixed berry flavors. Made to order with Red Bull® Energy Drink. *Contains Artificial Flavor*
Berry Purple Daze Red Bull Infusion w/ Red Bull® Sugarfree
A refreshing & energizing iced beverage infused with mixed berry flavors. Made to order with Red Bull® Sugarfree. *Contains Artificial Flavors*
Red Bull® Energy Can
Red Bull® Energy Drink.
Red Bull® Energy SugarFree Can
Red Bull® Sugarfree.
Large Vanilla Sweet Cream Iced Coffee
Enjoy our chilled, High Mountain Arabica coffee with sweetened cream & vanilla, served over ice for a delightful pick me up day OR night.
Large Caramel Sweet Cream Iced Coffee
High Mountain Arabica coffee blended with sweetened, vanilla cream & caramel served over ice for a delicious & frosty treat. The perfect pick me up.
Large Mocha Sweet Cream Iced Coffee
High Mountain Arabica coffee with sweetened cream & chocolate syrup, served over ice for a delicious & frosty treat. Coffee made awesome-r.
Large Black Iced Coffee
High Mountain Arabica coffee, served over ice.
Large High Mountain Arabica Coffee
Rich, delicious, High Mountain Arabica coffee. It's the most delicious way to WAKE UP if you're feeling a little tired.
Dasani® Bottled Water
Enhanced with minerals for a pure, fresh taste.
Milk
Low Fat 1% Milk
Simply Orange®
100% pure-squeezed pasteurized orange juice.

Burgers
Bacon Ultimate Cheeseburger™
2x 100% beef seasoned as it grills, hickory smoked bacon, melty American & Swiss style cheeses, ketchup, mustard & mayo on a buttery bakery bun.
Ultimate Cheeseburger™
2x the 100% beef seasoned as it grills, melty American & Swiss style cheeses, ketchup, mustard & mayo on a toasted buttery bakery bun. For ultimate yum.
Classic Buttery Jack®
Melted garlic herb butter on 100% beef seasoned as it grills with melty Swiss cheese, lettuce, tomato, ketchup & mayo on signature brioche. Insanely good.
Bacon & Swiss Buttery Jack®
Melted garlic herb butter on 100% beef seasoned as it grills, hickory smoked bacon, melty Swiss cheese & creamy bacon mayo on toasted signature brioche.
Double Jack®
2x 100% beef seasoned as it grills, 2 slices of melty American cheese, tomatoes, lettuce, pickles, onions, ketchup, mustard & mayo on a buttery bakery bun.
Jumbo Jack® Cheeseburger
100% beef seasoned as it grills, 2 slices of melty American cheese, lettuce, tomato, pickle, onions, ketchup & mayo on a buttery bakery bun.
Jumbo Jack®
100% beef seasoned as it grills, lettuce, tomato, pickles, onions, ketchup & mayo on a buttery bakery bun. *Jumbo isn't one of those ironic nicknames.
Sourdough Jack®
100% beef seasoned as it grills, hickory smoked bacon, tomato, melty Swiss style cheese, mayo & ketchup on toasted sourdough bread. Drool worthy.
Jr. Jumbo Jack® Cheeseburger
Anywhere else this Jr. Jack would be senior. Because there is nothing junior about this honest-to-goodness 100% beef patty seasoned as it grills topped with American cheese, tomato, pickle, lettuce, and chopped onions--with the just-right amount of ketchup and real mayonnaise. But here? It's got some growing up to do.
Jr. Jumbo Jack®
100% beef seasoned as it grills, tomato, pickle, lettuce, onions, ketchup & mayo. Don't let the 'Jr.' fool you. It packs a wallop.

Chicken & Salads
Jack's Spicy Chicken® w/ Cheese
100% all white meat spicy crispy chicken fillet with melty Swiss style cheese, tomato, lettuce & mayo on a toasted buttery bakery bun. Yes, please.
Jack's Spicy Chicken®
100% all white meat spicy crispy chicken fillet with tomato, lettuce & mayo on a toasted buttery bakery bun. It's silly how delicious this is. Really.
Cluck Sandwich
100% all-white meat crispy chicken fillet with pickles & Jack's Good Good Sauce on a toasted brioche bun. There's nothing not awesome about this.
Homestyle Ranch Chicken Club
100% all-white meat crispy chicken fillet with melty Swiss style cheese, hickory smoked bacon, lettuce, tomato & buttermilk ranch on a toasted brioche bun.
Grilled Chicken Sandwich
A grilled chicken fillet with lettuce, tomatoes & Good Good Sauce all on toasted sourdough bread. It won't last long in your hands.
Crispy Chicken Strips (5)
Our 100% all-white meat crispy chicken strips are bigger and better than ever. It's what your stomach would order if it could talk.
Crispy Chicken Strips (3)
Our 100% all-white meat crispy chicken strips are bigger and better than ever. It's what your stomach would order if it could talk.
Chicken Nuggets (8)
Some days call for strips, others for a sandwich, and others for warm, tender chicken nuggets like these. In other words: we got you.
Chicken Fajita Pita
Grilled chicken strips, melted shredded cheddar cheese, lettuce, grilled onions & tomato in whole grain pita bread & a side of fire roasted salsa.
Chicken Teriyaki Bowl
Grilled chicken strips with veggies, white rice & sweet and savory teriyaki sauce. It's like your mouth just won a championship.

Breakfast
Supreme Sourdough
A freshly cracked egg, hickory smoked bacon, grilled ham & melty American cheese on toasted sourdough bread. And you can get it all day. Like, ALL day.
Supreme Croissant
A warm buttery croissant stacked with a freshly cracked egg, grilled ham, hickory smoked bacon and melty cheese. Now you know why it's called supreme.
Sausage Croissant
A freshly cracked egg, grilled sausage & melty American cheese on a warm buttery croissant. A good reason to get out of bed in the morning.
Meat Lovers Burrito
Love meat? Us, too. So we put bacon, sausage & ham into a flour tortilla with scrambled eggs and cheddar cheese, with a side of fire-roasted tomato salsa.
Ultimate Breakfast Sandwich
2 freshly cracked eggs, 2 slices of melty American cheese, 2 slices of ham, & bacon on a warm bakery bun. Because 2 is ultimately better than 1.
Extreme Sausage® Sandwich
2x the grilled sausage, 2x the melty American cheese & a freshly cracked egg on a toasted buttery bakery bun. Your stomach owes you one for this.
Loaded Breakfast Sandwich
Freshly cracked eggs, hickory smoked bacon, grilled ham, grilled sausage & melty American cheese on toasted sourdough bread. Boom, loaded.
Sourdough Breakfast Sandwich
Fried egg, ham, and American and Swiss style cheeses on grilled sourdough bread
Jumbo Breakfast Platter w/ Bacon
Scrambled eggs, hash browns, 8 mini pancakes, and 3 slices of hickory smoked bacon. Tell your stomach to make room. Pronto.
Jumbo Breakfast Platter w/ Sausage
Scrambled eggs, a hash brown, 8 mini pancakes, and grilled sausage. Tell your stomach to make room. Pronto.
Jumbo Breakfast Platter Bacon & Sausage
Scrambled eggs, hash browns, 8 mini pancakes, grilled sausage & 3 slices of hickory smoked bacon. Tell your stomach to make room. Pronto.
Bacon Breakfast Jack®
Hickory smoked bacon, a freshly cracked egg & melty American cheese on a toasted buttery bakery bun. A masterpiece, if we do say so ourselves.
Sausage Breakfast Jack®
Grilled sausage, a freshly cracked egg & melty American cheese on a toasted buttery bakery bun. Pretty much the definition of starting the day right.
Breakfast Jack®
Grilled ham, a freshly cracked egg & melty American cheese all on a toasted buttery bakery bun. A masterpiece, if we do say so ourselves.
Mini Pancakes w/syrup
Good things come in small, bite-size packages. Like 8 fluffy, golden brown mini pancakes served with syrup.
Hash brown
No breakfast is complete without golden brown, perfectly crisp, amazingly delicious hashbrown. Remember the hash brown. Always.

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Recent Reviews

Just came from the Hospital feeling overwhelmed and stopped in to pick up food for kids with money I really didnt have. My mood was changed with your drive thru server. Zach was wonderful in the ordering process and very kind in the treatment and transaction at the wondow. Yes Ma'am and great jokes. He read the room right in such a short time. The atmosphere was changed and hot fresh food was a win. Customer service isnt the same but...like good for you as Managers for seeing...
November 2025
I just wanted to say something positive about this location since most of the other reviews are negative! I had an excellent experience when going to this Jack in the Box location for lunch!! Went through the drive-thru and it was SO fast. The lady working the window was super nice and friendly. Food was fresh and I got it right away. They even decorated the store for the holidays. I will say that the county Jack in the Boxes are WAY better than the city locations. I actively...
November 2025
This location is hit or miss on freshness but today 8/18/25 was very good. Customer service was great as well. DT time was efficient this time bt can be very long wait times with very few cars, guessing shor staffed. Thanks for the freshness
August 2025

More Reviews

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Jack In The Box

4124 Mexico Rd, St Peters, MO 63376
(636) 928-8941