To honor this important day, I decided to find out how Americans like their burgers. According to a survey conducted by YouGov.com in May 2020, the number one topping is cheese. Here’s a list of the top ten: Cheese- 74% Ketchup- 65% Lettuce- 64% Tomatoes- 58% Onions- 57% Pickles- 54% Mustard-…