What makes a good burger, first let talk beef, ground beef 80/20 that what you need in your cart. Most chef said all you need is salt and pepper and they are right, but with mine I add ketchup, onion power, garlic power and some Mr. Dash the all blend. 

Now the toppings you can choose so many, here are the ones I love to top my burgers with

Melt cheese the cheese has to be melt

cheddar

Colby cheese

pepper jack  

Hard Fried eggs(the best}9

cook or raw yellow onions

red onions

bacon

Avocado

Pickles

jalapenos 

tomatoes

Lettuce

Mayo, Thousand Island, and BBQ sauce