Melt butter in medium saucepan over medium heat. Add garlic, stir 30 seconds. Stir in ketchup and remaining ingredients. Bring to boil. Reduce heat to medium-low, simmer until reduced to 1? cups. Season with salt and pepper. Cool slightly. You can at this time use an immersion blender to completely blend Chipotle pepper with other ingredients.Can be made 1 week ahead.