Chipotle Peach Barbecue Sauce

• 3 peaches peeled and sliced

• 1 onion chopped

• 2 Tbsp. oil

• ½ cup molasses

• ¼ cup brown sugar

• 2 cups ketchup

• 2 Tbsp. cider vinegar

• 1 Tbsp. Worcestershire sauce

• 1 Tbsp. chipotle chili in adobo

• 1 Tbsp. minced garlic

• 1 Tbsp. minced fresh ginger

• 1 tsp. dry mustard

• 1 tsp. cinnamon

• ¹⁄₄ cup bourbon (optional)