Start prepping onions, garlic , and bacon
Heat a high rimmed pan or Dutch oven
Cook bacon pieces, until start to turn brown
Remove bacon, drain on paper towel
Drain pan of bacon fat, reserving 1 tablespoon
Return pan to medium heat with reserved fat
Add Onions and cook until translucent
Add garlic to pan and cook until fragrant
Add Apple cider balsamic vinegar, & coffee
Add Brown sugar, maple syrup, CAV, TDG, and red pepper flakes
Mix together and bring to a boil; cook 3 minute
Set cooker to high
Transfer to a slow cooker; cook uncovered
Cook 5-6 hours until mixture become syrupy
Transfer to food processor; pulse until chunky
Place in a air container
Refrigerate and keep 2-4 weeks