1 pkg. macaroni & cheese dinner
1/2 c. milk
1 can (6-7 oz.) tuna, drained
1 can (10 1/2 oz. undiluted) condensed cream of mushroom soup
1 sm. can peas, drained

Prepare macaroni and cheese dinner as directed. Stir in soup and milk. Gently stir in tuna and peas. Heat to serving temperature.