Eureka! Ontario

900 Via Piemonte Unit 101, Ontario
(909) 284-1170

Recent Reviews Order Online Reserve

Customers' Favorites

28 Day Bone Marrow Burger with Parmesan Truffle Fries
Hamburguer Cowboy with Sweet Potato Fries
Spicy Chicken Sandwich
Eureka American Burger
Spinach Artichoke Dip
Grilled Chicken Nachos
Napa Chicken Sandwich
Jalapeño Egg Burger
Truffle Cheese Fries
Mac N' Cheese Balls

Menu

Starters
Mac & Cheese Balls
beer cheese sauce / Fresno chiles / chives / parmesan / ranch
Ahi Poke Stack*
bourbon barrel-aged soy / smashed avocado / black rice / sesame ginger dressing / firecracker aioli / furikake / green onion / Fresno chile / 397 cal
Crispy Brussel Sprouts
orange chili glaze / chimichurri / almonds
Cauliflower Bites
bonito flakes / garlic aioli / lemon zest

Shared
Truffle Cheese Fries
truffle salt / Parmesan / chives / decadent white truffle cheese sauce / 864 cal
Grilled Chicken Nachos
avocado / pico de gallo / cheese blend / black beans / jalapeños / chipotle sauce / crema / house-cut tortilla chips
Spinach & Artichoke Dip
mozzarella / havarti / tortilla chips
Wings
Crispy wings tossed in your choice of up to two flavors: orange chile glaze / firecracker / beer barbeque sauce / Eureka! bourbon smoked dry rub

Burgers
Fire Alarm Burger*
fresno chili mac and cheese / firecracker / smoked bacon / horseradish mustard aioli
Eureka! American*
American Swiss / grilled onion / butter lettuce / tomatoes / house pickles / special sauce / 1087 cal
28 Day Bone Marrow*
bone marrow shiitake butter / grilled onion / horseradish mustard aioli / roasted Roma tomato / 1248 cal
Bison*
spicy charred fresno chili / bacon-infused jalapeño jam / smoked mozzarella / whiskey caramelized onions
Fresno Fig*
fig marmalade / creamy goat cheese / bacon / tomatoes / red onions / arugula / spicy porter mustard
Jalapeño Egg*
fried egg / cheddar / bacon / chipotle sauce / pickled jalapeños
Cowboy
shoestring onion rings / bacon / cheddar / beer barbeque sauce
Double Smash
Parmesan-crusted brioche / two patties / American cheese
Chipotle Burger*
havarti-crusted bun / cheddar / lettuce / guacamole
Veggie Beet Burger
housemade beet and kidney bean patty / house pickles / tomatoes / onions / arugula / tart lemon vinaigrette

Fish & Chicks
All-World Breakfast Burrito
cheese-crusted tortilla / crispy potatoes / eggs / bacon / avocado / salsa / green onion
Spicy Fried Chicken Sandwich
fried chicken thigh / tangy coleslaw / house pickles / firecracker aioli
Napa Chicken Sandwich
grilled chicken breast / roasted Roma tomato / pesto aioli / Havarti / bacon / arugula
Hand-Breaded Tenders
handbreaded chicken - choice of dipping sauce: honey mustard / beer barbecue sauce / ranch / firecracker / spicy porter mustard
Fish and Chips
beer battered white fish / signature fries / furikake
Baja Fish Tacos
beer battered white fish / pico de gallo / coleslaw / chipotle mayo / lemon vinaigrette / tortilla chips

Prime Time
St. Louis Ribs
slow-cooked ribs / truffle corn
French Dip
roast beef / whiskey caramelized onions / havarti / horseradish aioli / au jus / signature fries

Salads
Blackened Salmon Kale Caesar
parmesan / garlic croutons / toasted pine nuts
Steak Salad*
shoestring onions / blue cheese / tomatoes / oregano mustard vinaigrette
Seared Ahi Salad*
spring mix / avocado / cabbage / carrot / green onions / cilantro / crispy wontons / peanut sauce / sesame ginger dressing
Eureka! Salad
butter lettuce / heirloom cherry tomatoes / avocado / green beans / broccolini / lemon vinaigrette
Mandarin Chicken Salad
Boston lettuce / fried Fresno chile / carrots / green onions / almonds / oranges / cilantro / ginger peanut dressing

Sides
French Fries
house seasoning
Scary Hot Fries
signature fries tossed in a ghost pepper spice blend / cheddar & jack cheeses / bacon / chipotle aioli / chives
Honey-Cinnamon Sweet Potato Fries
cinnamon / honey / 390 cal
Broccolini
parmesan cheese / red pepper flakes / lemon
Spicy Ginger Green Beans
ginger / garlic / sambal
Truffle Corn
Truffle cheese Sauce / roasted corn / cilantro

Drinks
Housemade Charcoal Lemonade
lemon / sugar / charcoal / passion fruit
Housemade Charcoal Lemonade (32oz)
lemon / sugar / charcoal / passion fruit
Housemade Lavender Iced Tea
lavender / earl grey / butterfly pea tea / rosemary / mint / lemon
Housemade Lavender Iced Tea (32oz)
lavender / earl grey / butterfly pea tea / rosemary / mint / lemon
Housemade Watermelon Hibiscus Spicy Agua Fresca
watermelon / hibiscus / lime / habenero salt
Housemade Watermelon Hibiscus Spicy Agua Fresca (32oz)
watermelon / hibiscus / lime / habenero salt
Housemade Ginger Lime Soda
ginger / sugar / lime / soda water
Lemonade
Iced Tea
Arnold Palmer
Coke
Diet Coke
Sprite
Root Beer
Topo Chico Sparkling Water
Bottled Spring Water (still)
Cold Brew Coffee

Little Moochers
Kid's Cheeseburger
beef patty / cheddar cheese / served with a side and beverage (777 calories)
Kid's Tenders
three breaded chicken breast / served with a side and beverage (595 calories)
Kid's Mac & Cheese
shells / housemade cheese sauce / served with a beverage (418 calories)
Kid's Quesadilla
Two corn tortillas / jack & cheddar cheese / served with a side and beverage (523 calories)
kid's rt 66 root beer float
barq's root beer / vanilla bean ice cream
Kid's Ice Cream Sundae
vanilla bean ice cream / chocolate sauce

Sweets
Bourbon Barrel Cake
candied pecans / bourbon caramel
Sundae
vanilla bean ice cream / chocolate sauce - 340 calories
Route 66 Root Beer Float
Barq's Root Beer / vanilla bean ice cream
Hooked On Chocolate
bourbon whipped cream / Buffalo Trace chocolate sauce / lava salt / 1235 cal

Photos

Photo credit: google
Photo credit: google
Photo credit: tripadvisor
+46 photos
Photo credit: tripadvisor
+45 photos
Add a photo

Recent Reviews

I’ve been eating at Eureka for years! Started at Claremont location, then Ontario opened up, we go there for business lunch and business happy hour at least twice/three times a month. I haven’t had an issue was there last night for business happy hour and will be there tomorrow for business lunch. The servers and bartenders are always on point! Love the “Wild Child” and the cinnamon sweet potato fries and Mac & cheese balls, fried pickles are so yummy! Not one...
August 2025
My daughter-in-law was in town for a couple of days and we wanted to meet up for dinner and she found Eureka.
It was such a great find. We arrived around 5:15 before the crowd and ate outside which was awesome because of the cool breeze.
Our server Alicia was super nice and friendly checking on us regularly.
We started with the Mac and cheese balls which were delicious. My daughter in law had the wings, I had the barbecue bacon burger and truffle fries,...
July 2025
This restaurant is connected to the Element Hotel which I am staying in. I have eaten here before my stay and did not rate it then but I did grab a smashed burger which was pretty good. This time I had the Blackened Salmon and the Poke Ahi over black rice. The salmon was cooked excellent and had a great taste and the sauce was beurre blanc and it was so dang good that I asked for more. The grilled broccolini with pesto cashew was so good. The Poke stack was good and I would recommend...
February 2025

More Reviews

You May Also Like

Big Al's - 4120 E 4th St
Sports Bar, Bowling, Arcades
Thirty Four Bar & Bistro - 4105 Inland Empire Blvd
Wine Bar, American
Habit Burger & Grill - 4210 E 4th St
Fast Food, Burgers, Salad

Eureka! Ontario

900 Via Piemonte Unit 101, Ontario, CA 91764
(909) 284-1170