Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  1 1/2   lb.           boneless chuck steak, 1 1/2 inch thick 
  1       clove         garlic, peeled and minced 
    1/4   cup           wine vinegar 
  1       tsp           brown sugar substitute
  1       tsp           paprika 
  2       Tbsp          Worcestershire sauce 
    1/2   cup           Ketchup
  1       tsp           salt 
  1       tsp           dry or prepared mustard 
    1/4   tsp           black pepper

Preparation:

Cut the beef on a diagonal, across the grain into slices 1 inch wide.Place these in the crockpot. In a small bowl, combine the remaining ingredients. Pour over the meat, and mix. Cover and cook on Low for 3 to 5 hours.