In a large bowl, mix the first 7 ingredients well and shape the mixture into golf ball sized meatballs.
Heat oil in a skillet and brown the balls, not cook them just brown for about 2 minutes from all sides. Work in batches if necessary.
Remove from heat and set aside.
In your crockpot arrange onion slices at the bottom. then top with alternate meatballs,potato slice, and green pepper, alternatively.
Mix diced tomatoes with salt and pepper and dumb in the crockpot.
Pour the water over and let it cook on low for 6-8 hours.
Serve with white / brown rice, bread and a nice green salad.