Tuna Casserole

Ingredients
- 1 pkg macaroni and cheese dinner
- 2 Tbsp margarine or butter
- 1 can cream of mushroom soup
- 1 6 12 oz can tuna drained
- 1 can peas
- 1 pkg Ritz crackers
Directions
- Prepare dinner as directed except use 34 cup milk
- Add remaining ingredients
- Mix well
- Pour into 1 12-quart greased casserole
- Mix cracker crumbs and margarine
- Put on top and bake at 350 for 30 minutes