My go to is;
Grilled Bun bottom
Crispy Lettuce
Tomato slices
Diced onion
Beef patty smashburger style
American toxic cheese 🤣
American mustard
Ketchup
Top bun grilled
I have added in the past;
Bacon 🥓
Pickles
Any other options?
Do not suggest pineapple 🤣