Try this homemade 1 2 3 Casserole recipe the whole family will love. Made with elbow macaroni, cream of mushroom soup, Carnation and American cheese. Ea…
This 1 2 3 Casserole relies on simple, everyday ingredients such as (7 oz.) pkg. elbow macaroni, carnation evaporated milk, grated american cheese and (6 1/2 oz.) can tuna. It comes together quickly and makes 4 servings, at about 173 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026