1 pkg. macaroni and cheese dinner
1/2 c. milk
1 flat can (6 or 7 oz.) salmon or tuna, drained
1 (10 1/2 oz.) can undiluted cream of mushroom soup
1 sm. can peas, drained (optional)

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