Spam Casserole - cooking recipe

Ingredients

1 onion, chopped
1 can cream of celery soup
1 can tomatoes
1/2 pkg. (8 oz. size) macaroni, cooked
1 can Spam luncheon meat in cubes
pepper
2 Tbsp. butter

Preparation

Cook onions in butter.
Add remaining ingredients.
Put in casserole dish.
Top with slices of cheese.
Bake at 350\u00b0 for 30 to 40 minutes.