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      Tbsp          brown sugar
   1      tsp           paprika
   2      Tbsp          Worcestershire sauce
     1/2  cup           catsup
   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.