Budget Beef Stroganoff

1 - 1 1/2 lb lean Beef Round Steak (or any leftover steak, roast beef etc.)
1 tsp. salt
1 tsp. paprika
1/8 tsp. pepper
1/8 tsp. garlic powder
1 tbsp. margarine
1 can cream of mushroom soup
1 1/4 cups beef broth or water
1 cup chopped onion
1 small green pepper
1 can mushrooms (optional)
1 cup chopped carrots
2 tbsp. flour
1/2 cup sour cream
3 cups hot, cooked rice

Sprinkle meat with seasonings and brown in margarine. Add onions and green pepper, and cook a bit longer. Stir in soup, 1 cup broth, and mushrooms. Cover; simmer 30 minutes or until meat is tender. Blend remaining broth and flour, stir into meat mixture. Cook about 5 minutes, stirring frequently. Add sour cream; heat thoroughly, but do not boil. Serve over rice.