Crockpot Shell Casserole (Beef)

Crockpot Shell Casserole (Beef)
1 pound lean ground beef
1 small onion, chopped
1/2 teaspoon salt
1/4 teaspoon garlic powder
1 teaspoon Worcestershire sauce
1/4 cup all purpose flour
1 1/4 cups hot water
2 teaspoons beef bouillon granules
2 tablespoons red wine
6 oz. large shell shaped pasta
1 (2 oz.) can sliced mushrooms, drained
1 cup of sour cream

In a skillet, cook ground beef and onion until red color disappears. Drain beef, place in crockpot, stir in salt, garlic powder, Worcestershire sauce and flour. Add water, bouillon and wine and mix well. Cover and cook on LOW 2 to 3 hours. Meanwhile cook pasta according to directions and drain. Add cooked pasta, mushrooms and sour cream to crockpot, stir to mix ingredients. Turn control to HIGH. Cover and cook 10 to 15 minutes more.
Serves 4 to 5