1 lb. beef, cut into sm. cubes
2 med. onions, chopped
1/2 tsp. dry mustard
1 1/2 tsp. paprika
2 tbsp. brown sugar
1 1/2 tsp. salt
3 tbsp. Worcestershire sauce
1 tsp. vinegar
6 tbsp. catsup
1 1/2 c. water
3 tbsp. flour

Brown meat, add onions. Combine mustard, paprika, sugar, salt, Worcestershire, vinegar, and catsup. Add to meat with 1 cup water. Stir, cover, cook over low heat until meat is tender. Blend flour with 1/2 cup water; add to meat mixture, stirring until thickened. Serve over noodles.