1 1/2 lbs. ground beef
1 onion
1/2 c. sour cream
1/4 c. chili sauce
1 can mushroom soup
1 c. cooked rice OR
1 c. cooked potatoes, sliced
1 tube refrigerated biscuits

Brown onion and ground beef. Mix all ingredients together; put in casserole and bake for 30 minutes at 350 degrees. Top with biscuits and bake 20 minutes longer.