500 grams of kideny beans.
1/2 tablespoon mustard or grounded mustard seeds.
1 tablespoon ketchup, home made tomato paste, or salsa.
40 grams of oats.
+ any other ingredients you might like, like paprica, chillies, black pepper, garlic and onion to give extra flavor (optional).
Mash the beans and mix everything together. Form the burgers and bake in oven at 200 degrees C until golden and flip. About 10 minutes on each side.