In large microwave glass or ceramic casserole dish add 1 pound hamburger and 1/2 cup chopped onion. Stir and break up as it cooks. Do not over cook, then drain excess grease. Add 3 (28 ounce) cans chile con carne with beef, stir in good. Add 1 cup grated sharp cheese, 1 cup semi crushed or crumbled corn chips, stirring in. Add more if desired for thickening.
Then top the casserole with grated cheese and crushed tortilla or nacho chips and bake in microwave approximately 20 minutes with lid on. Then serve. Great for children.