Egg noodles are the traditional choice for tuna casserole, but you can use other types of pasta like penne, rigatoni, or elbow macaroni. Make it a little healthier by subbing in whole-grain pasta ...
In a casserole, melt margarine and sauté onion ... Simmer, while stirring continuously, until mixture thickens. 4. Add cooked macaroni and tuna. Mix well. Transfer to greased oven-proof dish.