2 tbsp. butter
1 lb. boneless chuck, cut into thin strips
2 tbsp. flour
1 c. thinly sliced onions
1 c. beef broth
1 c. (4 oz.) sliced drained mushrooms
2 tbsp. tomato paste
1/8 tsp. garlic powder
Salt & pepper to taste
1 c. sour cream
1 pkg. (8 oz.) noodles

Melt butter and brown meat coated with 1 tablespoon of flour. Add onions and cook until tender. Stir in broth, mushrooms, tomato paste and seasonings. Simmer covered 30 minutes or until tender, stir occasionally. Blend in sour cream mixed with remaining flour. Cook noodles per package. Pour sauce over.