Pinto Burgers

• 16 hamburger buns
• 2 eggs
• 1 sweet onion (diced)
• 1 condiments of choice
• 450 gr pinto beans (dried)
• 300 ml ketchup
• 230 gr quick-cooking oats (uncooked)
• 120 ml vegetable oil
• 95 gr flour
• 90 gr cornmeal (white)