Process or chop the liver into bits. Dice the onion, green pepper, and garlic. Add all ingredients together. Put into 4 ramekins, or a regular meatloaf dish. Top with a thin layer of spaghetti sauce.Bake at 375 for 30 minutes, or until cooked through.
Notes
Make sure to use sugar-free marinara. You can substitute ketchup for tomato paste.