Burger 21 is a fast-casual burger joint which specializes in gourmet burgers. It’s known for its premium burgers, which feature high-quality ingredients like grass-fed beef and all-natural, antibiotic-free chicken. But if you’re on a high protein diet, you might be wondering how your burger at Burger 21 stacks up.
Burger 21 offers 29 high protein choices with more than 30 grams of protein, according to the official menu and nutrition facts.
For more high protein choices at Burger 21, see the full high protein menu below.
We consider an item high protein if it has more than 30g, but you can filter it differently by clicking the green filter button.
