1-8 ounce package noodles
3 eggs - beaten
12 ounce can Evaporated Milk
1/2 cup water
1 teaspoon minced onion (optional)
1 small can tuna
8 ounces Cheddar cheese - shredded.
Cook noodles according to package directions and drain.
Mix all other ingredients with noodles.
Bake in 8" x 8" or 9" x 9" square pan for 30-35 minutes.
Let cool for 10 minutes before serving.