Hamburger& Potato Casserole

1. Preheat oven to 350ø.
2. Prepare entire package of potatoes in a microwaveable casserole dish according to the microwave directions on the package.
3. Meanwhile, in a skillet brown the ground beef and add onions.
4. Drain thoroughly.
5. When potatoes are done, put hamburger and onions over the potatoes and cover with cheese.
6. Cover and bake in oven until cheese is melted.