Shredded Steak Sandwiches

Ingredients

• 3 pounds beef top round steak, cut into large pieces
• 2 large onions, chopped
• 3/4 cup thinly sliced celery
• 1-1/2 cups ketchup
• 1/2 to 3/4 cup water
• 1/3 cup lemon juice
• 1/3 cup Worcestershire sauce
• 3 tablespoons brown sugar
• 3 tablespoons cider vinegar
• 2 to 3 teaspoons salt
• 2 teaspoons prepared mustard
• 1-1/2 teaspoons paprika
• 1 teaspoon chili powder
• 1/2 teaspoon pepper
• 1/8 to 1/4 teaspoon hot pepper sauce
• 14 sandwich rolls, split