English beef pot pie

2 lb Beef round steak*
      3 tb flour
      1 ts Salt
    1/4 ts Pepper
      2    Carrots; pared & sliced
      3    Poetatoes; peeled & sliced
      1    Onion; large; thinly sliced
      1 cn Whole tomatoes (16.oz)
      1    *****BISCUIT TOPPING******
 
  * cut into 1-inch cubes
     PLace steak cubes in crock-pot.  Combine flour, salt and pepper,
  toss with steak to coat thoroughly.
   Stir in remaining ingredients except Biscuit Topping and mix
  thoroughly. Cover and cook on LOW setting for 7 to 10 hours.
     One hour before serving, remove meat and vegetables from crock-pot
  and pour into shallow 2-1/2-quart baking dish. Preheat oven to 425
  degrees. Cover meat mixture with Biscuit Topping. Bake for 20 to 25
  minutes. 4 servings (about 2-1/2 quarts BISCUIT TOPPING: 2 cups
  flour, 1 teaspoon salt, 3 teaspoons baking powder, 1/4 cup
  shortening, 1/4 cup milk. Mix dry ingredients.  Cut in shortening
  until mixture resembles coarse cornmeal. Add milk all at one time;
  stir well. Pat out on floured board; roll out to cover baking dish.