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Burger 21 is a “beyond the better burger” fast-casual franchise concept, offers 21 unique, chef-inspired burger creations, plus salads, hot dogs, shakes and more.
If you sign up for Patty Perks Loyalty you will receive a FREE Hand-Spun Milk Shake on your birthday and many different promotions throughout the year.
Check out this list of Burger 21 Signature Shake flavors that you can choose from –
- Chocolate Fudge Brownie
- Chocolate Hazelnut
- Chocolate Malted Milk Ball
- Strawberry Shortcake
- Bananas Foster
- Chocolate Peanut Butter
- Oreo Cookies + Cream
PLUS the standards –
- Vanilla Bean
YUM! I can’t decide. Can I get two? Please?
Burger 21 Locations
Offer subject to change. Contact location to verify.