Jan'S Tuna Macaroni Casserole
["1 (16 oz.) box macaroni", "1 large can diced tomatoes (optional with Italian seasoning)", "1 (6 oz.) can tuna", "1 lb. Velveeta cheese", "1/2 large onion", "1 large green or red bell pepper", "1 1/2 Tbsp. Italian seasoning", "1/2 to 1 (10 oz.) can Ro-Tel diced tomatoes"]
["Cook macaroni as directions ask.", "Pour into a very large casserole dish.", "Add tomatoes and Ro-Tel, then all other ingredients.", "Sprinkle top with more Italian seasoning or parsley. Quick and delicious."]
["macaroni", "tomatoes", "tuna", "Velveeta cheese", "onion", "green", "Italian seasoning", "Ro-Tel"]