1 lg. chopped onion
1/4 c. oil
1 (2 1/2) can cut up tomatoes
2 tbsp. capers
3 oz. jar stuffed green olives, sliced or bits
1 tsp. salt
1/2 tsp. pepper
1 tsp. oregano
2 tsp. chili powder
1 whole piece or 6 lb. fish or 3 or 4 fillets

Mix all ingredients. Place over fish. Bake 30 or 40 minutes at 350 degrees. Good with steamed rice, mixed salad and French bread.