- 1 (7.25 ounce) package uncooked macaroni and cheese
 - 1 (10.75 ounce) can condensed cream of mushroom soup
 - 1/2 cup margarine
 - 3 tablespoons sour cream
 - 1 cup shredded Cheddar cheese
 - 12 buttery round crackers
 
- Preheat oven to 350 degrees F (175 degrees C).
 - Cook the macaroni according to directions on the box. Remove from heat, drain, and add soup, 1/4 cup of the margarine, sour cream, shredded cheese, and the cheese packet from the box. Do not use milk as directed on the box.
 - Pour in a small casserole dish and top with crumbled crackers. Melt the remaining margarine and pour over the crackers. Bake in a preheated oven for 25 minutes.