America's Favorite Burger*, The Whopper Sandwich is a ¼ lb** of flame-grilled beef with juicy tomatoes, crisp lettuce, creamy mayonnaise, ketchup, crunchy pickles, and sliced white onions on a toasted sesame seed bun. **Weight based on pre-cooked patty. *Based on May 2023 nationwide survey of 4,014 adults 18 or older.