Tuna Macaroni Casserole2025-08-04 22:08:30.822648 +0000 UTCIngredients1 box macaroni and cheese1 can tuna, drained1 small jar pimentos1 medium onion, choppedDirectionsPrepare macaroni and cheese as directed.Add drained tuna, pimento and onion.Mix.Serve hot or cold.