Steak'n' Gravy

1 lb round steak -- trimmed

1 tbsp cooking oil

1 1/2 c water

1 8 oz can tomato sauce

1 tsp ground cumin

1 tsp garlic powder

1/2 tsp salt

1/4 tsp pepper

2 tbsp all-purpose flour

1/4 c cold water

hot cooked rice or mashed potatoes

Cut beef into bite-size pieces; brown in oil in skillet. Transfer to a slow cooker. Cover with water; add tomato sauce and seasonings. Cover and cook on low for 8 hours, or on high for 4 hours, or until meat is tender. In a small bowl, combine flour and cold water to make a paste; stir into liquid in slow cooker. Cover and cook on high 30 minutes longer or until gravy is thickened. Serve over rice or potatoes.