Fat Shack

1110 13th St, Boulder
(303) 442-2610

Recent Reviews Order Online

Customers' Favorites

Mozzarella Sticks
3 Deep-Fried Oreo
Chicken Fingers
Fried Pickles
Buffalo Wings
Onion Rings
The Classic
Fat Shack
Burger

Menu

Munchies
French Fries
Served with Ketchup
Cheese Fries
Served with Ranch
Onion Rings
Served with Ketchup
Mozzarella Sticks
Served with Marinara
Jalapeño Poppers
Served with Ranch
Fried Pickles
Served with Ranch
Mac N' Cheese Bites
Served with Buffalo Ranch
Chicken Fingers
Served with Honey Mustard
Chicken & Fries
Served with Honey Mustard & Ketchup
Munchie Madness Platter
Chicken fingers, mozzarella sticks, mac n' cheese bites, onion rings, and sauces included!
Side Sauce

Fat Sandwiches
Fat Bronco
Chicken fingers, mozzarella sticks, french fries & marinara
Fat Chance
Jalapeño poppers, cheesesteak, chicken fingers, french fries & buffalo ranch
Fat Cow
Mac‘n'cheese, bacon, french fries, mozzarella sticks & buffalo ranch
Fat Doobie
Chicken fingers, french fries, onion rings, mozzarella sticks & honey mustard
Fat Jersey
Cheesesteak, chicken fingers, mozzarella sticks, french fries & honey mustard
Fat Maverick
Mac n' cheese, chicken fingers, french fries & bbq sauce
Fat Shack
Cheesesteak, chicken fingers, jalapeño poppers, mozzarellasticks, french fries & honey-jalapeño mustard
Fat Andy
Fried pickles, mozzarella sticks, onion rings, french fries & ranch

Half Fat Sandwiches
Fat Bronco (Half)
Chicken fingers, mozzarella sticks, french fries & marinara
Fat Chance (Half)
Jalapeño poppers, cheesesteak,chicken fingers,french fries & buffalo ranch
Fat Cow (Half)
Mac‘n'cheese, bacon, french fries, mozzarella sticks & buffalo ranch
Fat Doobie (Half)
Chicken fingers, french fries,onion rings, mozzarellasticks & honey mustard
Fat Jersey (Half)
Cheesesteak, chicken fingers, mozzarella sticks, french fries & honey mustard
Fat Maverick (Half)
Mac n' cheese, chicken fingers, french fries & bbq sauce
Fat Shack (Half)
Cheesesteak, chicken fingers, jalapeño poppers, mozzarellasticks, french fries & honey-jalapeño mustard
Fat Andy (Half)
Fried pickles, mozzarella sticks, onion rings, french fries & ranch

Burgers
The Single
Single Cheese Burger served with American Cheese, Burger Sauce, Lettuce, Tomato, Onion and Pickles
The Classic
Double Cheese Burger served with American Cheese, Burger Sauce, Lettuce, Tomato, Onion and Pickles
The Supreme
Triple Cheese Burger served with American Cheese, Burger Sauce, Lettuce, Tomato, Onion and Pickles

Phillys
Philly Cheesesteak
Traditional Philly style cheesesteak with grilled onions and American cheese
Philly Cheesesteak (Half)
Classic Philly with peppers and onions served on a 6" roll.

Wings & Fingers
10 Wings
10 traditional bone-in wings tossed in your choice of wing sauce.
6 Boneless Fingers
6 boneless fingers tossed in your choice of wing sauce.
6 Wings
6 traditional bone-in wings tossed in your choice of wing sauce.
15 Wings
15 traditional bone-in wings tossed in your choice of wing sauce.
20 Wings
20 traditional bone-in wings tossed in your choice of wing sauce.
3 Boneless Fingers
3 boneless fingers tossed in your choice of wing sauce.
9 Boneless Fingers
9 boneless fingers tossed in your choice of wing sauce.
12 Boneless Fingers
12 boneless fingers tossed in your choice of wing sauce.

Deep-Fried Desserts
3 Deep-Fried OREO
5 Deep-Fried OREO
3 Deep-Fried Cheesecake Bites
5 Deep-Fried Cheesecake Bites
NEW! 3 Deep-Fried Brownie Bites
NEW! 5 Deep-Fried Brownie Bites

Milkshakes
OREO Shake
Vanilla Shake
Chocolate Shake
Strawberry Shake

Drinks
Bottled Soda
Peace Tea
Monster Energy
Bottled Water

Specials
Burger Bundle
Burger of your choice with side fries and Coca-Cola product of your choice

Extras
Side Sauce
Order Attention Required

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Recent Reviews

Can’t miss the small as you walking (Burger King gives them a run, but…). The whole neighborhood (just a couple of blocks) is a sea of gut-busting choices (many with burger and similar offerings). It is just what the name says -- a fat juicy (greasy) burger served at the counter. You won’t need (want?) another meal today.
October 2025
The name sums up the experience pretty well. The cost is a bit steep, but it has interesting things on the menu, like the fried oreos. Definitely a good pit stop spot for the party scene on the Hill. It's a staple in the area.
September 2025
This place is amazing! Niko and Amber were so kind and helpful! The food came out super fast and tasted delicious. This place is perfect for late night snacks and bites. I can’t wait to be back!!
August 2025

More Reviews

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Fat Shack

1110 13th St, Boulder, CO 80302
(303) 442-2610