Original: Product description The Original Whopper sandwich is a hamburger , consisting of a flame grilled quarter-pound ( 113.4 g ) beef patty , sesame seed bun , mayonnaise , lettuce , tomato , pickles , ketchup , and sliced onion .
Simplified: It is made using a beef patty , lettuce , tomato , sliced onion , pickles , ketchup , and mayonnaise served on a sesame seed bun .