Fish Casserole - cooking recipe

Ingredients

1 fish
1/4 c. butter or margarine
2 Tbsp. flour
1 c. milk
1 c. grated Cheddar cheese
1 pkg. McCormick sour cream
1 c. peas
1 medium onion
buttered bread crumbs

Preparation

Saute onion in butter or margarine.
Add flour and milk.
Cook to thicken.
To prepared sauce, add Cheddar cheese and prepared McCormick sour cream sauce.
Parboil fish, cool, skin and debone, if necessary.
Grease a casserole and put flaked fish into it with precooked peas.
Pour sauce mixture over fish and peas.
Bake 3/4 hour at 350\u00b0 or until bubbly.
Top with buttered bread crumbs.