1 lb. ground beef
1 sm. onion, chopped
1 can cream of mushroom soup, undiluted
1 (4 oz.) can mushroom pieces & juice
1/2 tsp. instant bouillon
1 c. sour cream

Microwave ground beef and onion in 1 1/2 quart casserole for 6 minutes on HIGH. Drain. Add remaining ingredients, stir well. Cover and microwave on HIGH for 7 to 8 minutes. Serve over noodles or rice. Let stand 15 minutes before serving. 4 to 5 servings.