Easy Add-In Macaroni and Cheese
1 package (7.24 oz) macaroni and cheese
1 can (10.75 oz) condensed cream of mushroom soup
½ cup margarine
3 tbsp sour cream
1 cup cheddar cheese, shredded
12 buttery round crackers
Preheat oven to 350° F.
Cook the macaroni according to directions on the box. Remove from heat, drain.
Add soup, ¼ cup of 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.