4 sm. flounder, cleaned & dressed for stuffing
1/2 c. butter
2 tsp. salt
1/2 tsp. pepper
1 c. onion, chopped
1/4 c. butter, melted
2 c. dry bread crumbs
1 c. natural Cheddar cheese, grated
2 tbsp. parsley, chopped
2 tsp. powdered mustard
1/2 tsp. salt
Dash pepper

Wash flounder and brush inside and out with butter. Sprinkle with salt and pepper and place in a single layer in a well-greased baking pan. Saute onion in 1/4 cup butter until soft. Add butter and onion to remaining stuffing ingredients and mix thoroughly. Fill flounder with stuffing. Bake at 350 degrees for 25-30 minutes or until fish flakes easily when tested with a fork.