Place the mango and orange juice into a blender and blend the mango into a smooth puree.

Transfer the mango to a saucepan over medium heat. Add the ketchup, vinegar, light brown sugar, garlic, chipotle peppers, molasses, and adobo sauce to the pan. Stir to fully combine.

Cook the sauce over medium heat for 5 minutes, or until it has thicken to your desired consistency.

Take the sauce off the heat, and allow it to cool to room temperature. Use immediately or store in an airtight container in the refrigerator for up to a week.