1 (8 ounce) box uncooked macaroni
1/2 pound shredded American cheese
1 onion, chopped
1 green bell pepper, chopped
1 (12 ounce) can corned beef
2 (10.75 ounce)s cans condensed cream of chicken soup
2 cups milk
1 (10 ounce) box frozen peas
In a large bowl, mix together the macaroni, cheese, onion, green bell pepper, corned beef, soup, milk and peas.
Place this in a lightly greased 9×13 inch baking dish and refrigerate overnight.
Preheat oven to 375 degrees F (190 degrees C)
Bake at 375 degrees F (190 degrees C) for 1 hour.