1 1/2 lbs. hamburger
1 pt. green beans
Enough mashed potatoes to cover
1 can cream of mushroom soup

Brown hamburger; drain. Salt and pepper to taste; add green beans and soup. Mix well. Put in 1 1/2 to 2 quart casserole. Cover with mashed potatoes with 1 egg mixed in and bake at 350 degrees for approximately 30 minutes.

Note: This is a great way to use leftover mashed potatoes.