Ingredients

3 cup leftover cooked white beans (these are best cooked with a ham hock for flavor)
Enough flour to bind into patties
2 to 3 tablespoon butter and oil combined
1   small onion sliced into rings
Mayonnaise
White bread

Directions

In a medium bowl, coarsely mash beans with a fork and add flour until well combined.  Shape bean mixture into 4 patties.  Melt butter and oil in a skillet and brown patties on each side until crispy.

Spread mayonnaise on two pieces white bread.  Place patty on bread and top with onions.

Recipe Courtesy of Paula Deen