Acapulco Fishburgers

1 pound fish fillets
1 medium green bell pepper, chopped
3 medium onions, chopped
2 cups soft bread crumbs
3/4 teaspoon salt
1/4 teaspoon pepper
3 tablespoons shortening

Bone fish; put through food chopper or chop finely with knife. Combine with green pepper, onions, bread crumbs, salt and pepper; mix well. Shape into 8 patties about 4 inches in diameter. Brown on both sides in shortening in skillet over moderate heat for 10 to 15 minutes.