Shrimp Casserole - cooking recipe

Ingredients

1 cup sliced celery
1 cup sliced onion
2 tbsp. butter or margarine
1 can cream of shrimp soup
3/4 cup sour cream
3 cups cooked rice
1 3 oz. jar of sliced mushrooms
1 2 oz. pimentos
1 lb. shelled cleaned shrimp
1/2 cup shredded cheddar cheese

Preparation

Preheat oven 325\u00b0 - greased 13 x 9 baking dish.