Crockpot Shell Casserole

1 lb. lean ground beef

1 small onion, chopped

1/2 t. salt

1/4 t. garlic powder

1 t. Worcestershire sauce

1/4 C. flour

1 1/4 C. hot water

2 t. beef bouillon granules

2 T. red wine

6-oz. shell shaped pasta

1 (2-oz.) can sliced mushrooms, drained

1 C. sour cream

Brown beef in skillet with onion, drain and place in crockpot. Stir in salt, garlic powder, Worcestershire sauce and flour. Add water, bouillon and wine, mix well.

Cover and cook on LOW 2-3 hours. Meanwhile, cook pasta according to package and drain. Add cooked pasta, mushrooms and sour cream, stir to mix ingredients in crockpot.

Turn control to HIGH and cover and cook an additional 10-15 minutes.