1 pkg. macaroni and cheese
1 (6.8 oz.) can tuna, drained
1 (16 oz.) can peas, drained
1 can cream of mushroom soup
1/4 c. butter
1/4 c. milk

Cook macaroni and cheese according to directions on box. Stir in tuna, peas and soup. Heat in low temperature oven until heated through. Serve.