The Ultimate Barbecued Ribs

INGREDIENTS

• 2 tablespoons Dijon mustard or 1 tablespoon dry mustard
• Kosher salt and freshly ground black pepper
• 2 bacon slices
• 2 tablespoons brown sugar
• 1 teaspoon ground paprika
• 2 slabs baby back ribs (about 3 pounds)
• 1/2 onion
• 3 smashed garlic cloves
• 1/4 cup molasses
• 1 teaspoon ground cumin
• 2 cups ketchup
• Extra-virgin olive oil
• 1 cup peach preserves
• 4 sprigs fresh thyme
• 2 tablespoons red or white wine vinegar