{Note: The regular burger bun is NOT Vegan, but the GF bun and Sourdough are as a substitute} Impossible smash patty, lettuce, tomato, onion, ketchup, mustard, mayo, pickles, and your choice of either American, Swiss, cheddar, or provolone cheese and a side of fries. Sub a cup of soup for $4 or a side salad for $2. (Substitutions available: GF bun & Sourdough bread).