3 racks St. Louis-cut pork ribs weighing about 2 1/4 pounds each
1 1/2 tablespoons coarse sea salt
coarsely ground black pepper to taste
2 large cloves garlic, smashed, peeled and minced
3 medium cloves garlic, smashed, peeled and minced
1 1/2-inch piece ginger, peeled and minced
1 cup ketchup
1/3 cup cider vinegar
1/3 cup worcestershire sauce
1/2 cup black ''Chinkiang'' vinegar (available in Asian groceries)
1/3 cup vegetable oil
2 tablespoons melted butter
1 tablespoon Tabasco sauce
1/4 cup Dijon-style mustard
1/2 cup sugar
2 tablespoons chili powder
1 teaspoon salt
freshly ground black pepper to taste
1 lemon, cut across into 1/4-inch-thick slices