Ingredients
2/3
cup packed golden brown sugar
1/4
cup unsulfured (light) molasses
2
tbsp Worcestershire sauce
2
tbsp instant coffee powder
6
baby back pork rib racks (about 9 pounds total weight)
4
tsp liquid smoke flavoring
Directions
2.
Heat oil in heavy large saucepan over medium heat. Add onion and sauté until translucent, about 5 minutes. Whisk in remaining ingredients. Bring to boil. Reduce heat; simmer until reduced to 3 cups, stirring occasionally, about 30 minutes. (Can be prepared 1 week ahead. Cover and refrigerate.)
4.
Score white membrane on underside of ribs. Place ribs in large roasting pan. Mix vinegar and liquid smoke in small bowl; brush over both sides of ribs. Refrigerate 2 hours.
5.
Preheat oven to 350°F. Mix chili powder, cumin, sugar, onion powder and cayenne. Rub over both sides of ribs. Season with salt and pepper. Arrange ribs, meat side up, in single layer on 2 large baking sheets. Roast 1 3/4 hours, covering loosely with foil if browning too quickly.
6.
Remove ribs from oven. Brush both sides of ribs with 3/4 cup sauce. Roast 10 minutes. Brush both sides of ribs with additional 3/4 cup sauce. Roast 15 minutes longer. Remove ribs from oven. Cover with foil; let stand 15 minutes.
7.
Cut ribs between bones into 3- to 4- rib sections. Serve with remaining sauce.