Preheat grill. Clean grates and oil well or use grill mats. (Option to cook in the oven at 375 for 15-20 minutes flipping halfway)
Place all ingredients in a large bowl. Mash beans well then combine all ingredients together.
Form into 4 patties
Cook on grill for 15 minutes, flip gently and cook another 10.
Serve with fav toppings (can be frozen)