Burger 21 Kennesaw Marketplace

1300 Ernest W Barrett Pkwy NW #310, Kennesaw
(678) 293-8010

Recent Reviews Order Online

Customers' Favorites

Bacon and Cheese Burger Deluxe
BBQ Bacon Cheeseburger
Sweet Potato Fries
Impossible Burger
Half & Half Fries
Black Bean Burger
The Shroom Burger
Chicken Sandwich
Chicken Parmesan
The Cobb Burger

Menu

Featured items
#3 Bacon Cheesy
angus beef patty, 21 sauce, applewood smoked bacon, choice of cheese, onions, lettuce, Roma tomato, toasted brioche bun (670-730 cal)
French Fries Shareable
(737 cal)
#2 Cheesy
angus beef patty, 21 sauce, choice of cheese, lettuce, Roma tomato, toasted brioche bun (602-662 cal)
#50 Impossible
vegan plant based Impossible™ patty, onions, lettuce, Roma tomato, toasted whole wheat bun (474 cal)
GF French Fries Shareable
(737 cal)
GF #3 Bacon Cheesy
angus beef patty, 21 sauce, applewood smoked bacon, onions, choice of cheese, lettuce, Roma tomato, gluten free bun (550-610 cal)
Chocolate Shake
(717 cal)
#16 Spicy Thai Shrimp
crispy shrimp patty, Sriracha, sesame Thai slaw, Sriracha aïoli, lettuce, Roma tomato, toasted brioche bun (632 cal)
#4 Shroom
angus beef patty, mushrooms, caramelized onion, roasted garlic aïoli, Swiss, lettuce, Roma tomato, toasted brioche bun. (711 cal)
Cookies + Cream Shake
(824 cal)
Strawberry Shake
(740 cal)
Chicken Tender Basket
3 buttermilk-dipped, hand-breaded tenders, French fries (727 cal)
#1 101
angus beef patty, 21 sauce, lettuce, Roma tomato, toasted brioche bun (577 cal)
Half + Half - Shareable
(936 cal)
Cheesy 3-Pack
angus beef patties, 21 sauce, American, lettuce, Roma tomato, King's Hawaiian® rolls (679-739 cal)
Chocolate Fudge Brownie Shake
(877 cal)
GF #4 Shroom
angus beef patty, crimini mushrooms, caramelized onion, roasted garlic aïoli, Swiss, lettuce, Roma tomato, gluten free bun (591 cal)
GF #2 Cheesy
angus beef patty, 21 sauce, choice of cheese, lettuce, Roma tomato, gluten free bun (482-542 cal)
Santa Fe
grilled blackened chicken tenders, Romaine, Iceberg, black bean corn salsa, avocado, cheddar, tortilla strips, santa fe dressing (696 cal)
#8 BBQ Bacon
angus beef patty, applewood smoked bacon, onion strings, hickory bbq sauce, cheddar, lettuce, Roma tomato, toasted brioche bun (770 cal)

Beef Burgers
#2 Cheesy
angus beef patty, 21 sauce, choice of cheese, lettuce, Roma tomato, toasted brioche bun (602-662 cal)
#3 Bacon Cheesy
angus beef patty, 21 sauce, applewood smoked bacon, choice of cheese, onions, lettuce, Roma tomato, toasted brioche bun (670-730 cal)
#7 Tex Mex Haystack
Tex-Mex seasoned angus beef patty, applewood smoked bacon, onion strings, Pepper Jack, jalapeños, chipotle mayo, guacamole, lettuce, Roma tomato, toasted brioche bun (817 cal)
#4 Shroom
angus beef patty, mushrooms, caramelized onion, roasted garlic aïoli, Swiss, lettuce, Roma tomato, toasted brioche bun. (711 cal)
#10 3/4lb. OMG!
double-stacked angus beef patties, applewood smoked bacon, onions, choice of cheese, lettuce, Roma tomato, 21 sauce, toasted brioche bun (1005-1125 cal)
#69 Southern Fried Pickle
Memphis slaw, beef patty, American cheese, crispy bacon, fried pickles, B21 sauce, toasted brioche bun
#1 101
angus beef patty, 21 sauce, lettuce, Roma tomato, toasted brioche bun (577 cal)
#8 BBQ Bacon
angus beef patty, applewood smoked bacon, onion strings, hickory bbq sauce, cheddar, lettuce, Roma tomato, toasted brioche bun (770 cal)
#9 Black + Bleu
blackened angus beef patty, applewood smoked bacon, bleu cheese crumble sauce, lettuce, Roma tomato, toasted brioche bun (750 cal)

Veggie Burgers
#50 Impossible
vegan plant based Impossible™ patty, onions, lettuce, Roma tomato, toasted whole wheat bun (474 cal)
#17 Black Bean
black bean veggie patty, avocado, cilantro cream, onions, sun-dried tomato aïoli, pico, lettuce, Roma tomato, toasted whole wheat bun (718 cal)

Tenders, Dogs + Sliders
101 Dog Combo
100% beef hot dogs, choice of condiments, New England roll, French fries (1206 cal)
Chicken Tender Basket
3 buttermilk-dipped, hand-breaded tenders, French fries (727 cal)
Cheesy 3-Pack
angus beef patties, 21 sauce, American, lettuce, Roma tomato, King's Hawaiian® rolls (679-739 cal)
Bacon Cheesy 3-Pack
angus beef patties, 21 sauce, applewood smoked bacon, cheddar, lettuce, Roma tomato, King's Hawaiian® rolls (769-829 cal)
Black + Bleu 3-Pack
blackened angus beef patties, applewood smoked bacon, bleu cheese crumble sauce, lettuce, Roma tomato, King's Hawaiian® rolls (1113 cal)

Fries + Sides
French Fries Side
(336 cal)
French Fries Shareable
(737 cal)
Half + Half - Side
(444 cal)
Sweet Potato Fries Side
(490 cal)
Onion Strings Side
(98 cal)
Half + Half - Shareable
(936 cal)
Three Cheese Sauce Side
(154 cal)
Sweet Potato Fries Shareable
(1120 cal)
Onion Strings Shareable
(225 cal)
Fried Pickles Shareable
21 hand breaded and fried pickle slices, 21 sauce
Three Cheese Sauce Shareable
(308 cal)

Fresh Salads
Santa Fe
grilled blackened chicken tenders, Romaine, Iceberg, black bean corn salsa, avocado, cheddar, tortilla strips, santa fe dressing (696 cal)
Buffalo Chopped Cobb
grilled buffalo chicken breast, Romaine, Iceberg, applewood smoked bacon, Gorgonzola, hard boiled egg, avocado, cucumber, Roma tomatoes, avocado-ranch (644 cal)
Super Burger Bowl
angus beef patty, Romaine, Iceberg, applewood smoked bacon, onions, carrots, Roma tomatoes, with choice of dressing (377 cal)
Farm to Bowl
grilled chicken breast, Romaine, Iceberg, goat cheese crumbles, fresh strawberries, toasted almonds, sweet + creamy balsamic vinaigrette (467 cal)

Kids' Meals + Shakes
Kids' Cheesy Burger
(359-864 cal)
Kids' Chicken Tenders
(376 cal)
Kid Strawberry Shake
(457 cal)
Kids' Beef Hot Dog
(346-779 cal)
Kids' Grilled Cheese
Served on a toasted Brioche bun (485-902 cal)
Kids' Burger
(359-864 cal)
Kid Cookies + Cream Shake
(584 cal)
Kid Vanilla Shake
(436 cal)
Kid Chocolate Shake
(478 cal)

Beverages
Bottled CocaCola
(0-330 cal)
Bottled Root Beer
(0-330 cal)
Bottled Black Cherry Soda
(0-330 cal)
Bottled Water
(0-330 cal)

Hand-Dipped Shakes + More
Chocolate Chunk Cookie'
Freshly-baked twice daily. Single (320-350 cal)
Cookies + Cream Shake
(824 cal)
Chocolate Fudge Brownie Shake
(877 cal)
Chocolate Shake
(717 cal)
Vanilla Bean Shake
(672 cal)
Strawberry Shake
(740 cal)
Butterfinger Caramel Crunch Shake
Sweet and creamy with a peanut butter and chocolate crunch.
Chocolate Peanut Butter Shake
(932 cal)
Bananas Foster Shake
Heath Toffee Crunch Shake
Triple Espresso Shake

GF Burgers
GF #3 Bacon Cheesy
angus beef patty, 21 sauce, applewood smoked bacon, onions, choice of cheese, lettuce, Roma tomato, gluten free bun (550-610 cal)
GF #9 Black + Bleu
blackened angus beef patty, applewood smoked bacon, bleu cheese crumble sauce, lettuce, Roma tomato, gluten free bun (650 cal)
GF #1 101
angus beef patty, 21 sauce, lettuce, Roma tomato, gluten free bun (457 cal)
GF #2 Cheesy
angus beef patty, 21 sauce, choice of cheese, lettuce, Roma tomato, gluten free bun (482-542 cal)
GF #4 Shroom
angus beef patty, crimini mushrooms, caramelized onion, roasted garlic aïoli, Swiss, lettuce, Roma tomato, gluten free bun (591 cal)
GF #10. 3/4lb. OMG!
double-stacked angus beef patties, applewood smoked bacon, onions, choice of cheese, lettuce, Roma tomato, 21 sauce, gluten free bun (905-1025 cal)
GF #50 Impossible
vegan plant based ImpossibleTM patty, onions, lettuce, Roma tomato, gluten free bun (474 cal)

GF Fresh Salads
GF Super Burger Bowl
angus beef patty, Romaine, Iceberg, applewood smoked bacon, onions, carrots, Roma tomatoes, with choice of dressing (377 cal)
GF Farm to Bowl
grilled chicken breast, Romaine, Iceberg, goat cheese crumbles, fresh strawberries, toasted almonds, sweet + creamy balsamic vinaigrette (467 cal)
GF Buffalo Chopped Cobb
grilled buffalo chicken breast, Romaine, Iceberg, applewood smoked bacon, Gorgonzola, hard boiled egg, avocado, cucumber, Roma tomatoes, avocado-ranch (644 cal)
GF Santa Fe
grilled blackened chicken tenders, Romaine, Iceberg, black bean corn salsa, avocado, cheddar, tortilla strips, santa fe dressing (696 cal)

GF Tenders
GF Grilled Tender Basket
3 grilled tenders, French fries (727 cal)

GF Fries
GF French Fries Side
(336 cal)
GF French Fries Shareable
(737 cal)
GF Half + Half Fries Shareable
(936 cal)
GF Half + Half Fries Side
(444 cal)
GF Sweet Potato Fries Side
(490 cal)
GF Sweet Potato Fries Shareable
(1120 cal)

GF Kids' Menu
GF Kids' Cheesy Burger
(259-764 cal)
GF Kids' Chocolate Shake
(478 cal)
GF Kids' Burger
(259-764 cal)
GF Kids' Strawberry Shake
(457 cal)
GF Kids' Grilled Cheese
(385-802 cal)
GF Kids' Grilled Tenders
(202 cal)
GF Kids' Vanilla Shake
(436 cal)

GF Hand-Dipped Shakes + Floats
GF Strawberry Shake
(740 cal)
GF Chocolate Peanut Butter Shake
(932 cal)
GF Bananas Foster Shake
(815 cal)
GF Chocolate Shake
(717 cal)
GF Vanilla Bean Shake
(672 cal)

Seafood Burgers
#16 Spicy Thai Shrimp
crispy shrimp patty, Sriracha, sesame Thai slaw, Sriracha aïoli, lettuce, Roma tomato, toasted brioche bun (632 cal)

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Recent Reviews

Stopped here on a whim for convenience and WOW! The chicken tendies were really good. My young daughter gobbled them up. I oreder the black and bleu sliders and they were cooked to perfection. Definitely coming back when on this side of town.
October 2025
Food was 10/10!! Delicious chicken sandwich and burger and the onion straws are by far the best I’ve ever had! Not to mention the amazing service from PJ and Emily! They were very sweet and welcoming!!!
October 2025
I just love the staff here. Liv was so bubbly and sweet. I wasn’t sure what I really wanted and she recommended a tasty burger with all the fixings. I even got an order of tenders. I didn’t even know they sold tenders. I will definitely be back.
October 2025

More Reviews

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Burger 21 Kennesaw Marketplace

1300 Ernest W Barrett Pkwy NW #310, Kennesaw, GA 30144
(678) 293-8010