The Culver’s® Deluxe We start with fresh, never-frozen beef. Layer on real Wisconsin cheese, crisp lettuce, ripe tomatoes, pickles, sweet red onion, and our signature mayo. Then cap with a lightly buttered, toasted bun. It’s our ButterBurger® at its best. Available Sizes: Small | Medium | Large View Full: Culvers Menu Ingredients Allergens Nutrition Facts Nutrients Quantity…