Sweet-Sour Barbecued Baby Back Ribs

ngredients:
1 1/4 cup ketchup
3/4 cup water
1/4 cup honey
2 Tablespoons Worcestershire sauce
4 teaspoons lemon juice
1 small onion, chopped
1/2 teaspoon salt
1/2 teaspoon pepper
6 pounds baby back ribs
Directions:
Mix together the ketchup, water, honey, Worcestershire sauce, lemon juice onion, salt, and pepper.
Cook for about 10 minutes, stirring occasionally.
Prepare a charcoal grill, and cook ribs over medium-hot coals, turning occasionally. Brush ribs with sauce after each turn.
Cook ribs until desired doneness.