Macaroni Casserole - cooking recipe

Ingredients

1 small box elbow macaroni
1 c. mayonnaise
1 small grated onion
1 can cream of mushroom soup
1 small jar pimentos
3/4 lb. grated Cheddar cheese
Ritz crackers

Preparation

Cook and drain macaroni.
Add all other ingredients except Ritz crackers.
Pour into casserole dish.
Top with crushed Ritz crackers and dot with butter.
Bake at 350\u00b0 until lightly browned (about 30 minutes).