1 lb. fish fillets
1/3 c. dairy sour cream
1 tbsp. lemon juice
1/2 tsp. chili powder
3/4 c. finely crushed corn chips
2 tbsp. butter, melted

If fish fillets are large, cut into 5 serving pieces. Mix sour cream, lemon juice and chili powder. Dip fish into sour cream mixture; coat with chips. Place in generous greased 13 x 9 x 2 inch baking dish.

Pour butter over fish. Place dish on oven rack that is slightly above middle positions of oven. Cook uncovered in 500 degree oven until fish flakes easily with fork, 10-12 minutes. Serve with sliced avocado and tomatoes if desired.