Easy Stroganoff

1 lb. ground beef
1 can cream of mushroom soup
onion powder
salt
pepper
1/2 cup sour cream

Cook ground beef. Add cream of mushroom soup and a little water until soup sauce is at desired consistency. Add onion powder, salt, and pepper to taste. Bring to boil, then add approx. 1/2 cup sour cream just before serving. Serve over pasta, noodles, or rice. Makes about 4 servings.