An interesting recipe.
3 lb of bacon
4 large yellow onions chopped fine
1 cup apple cider vinegar
1 cup light brown sugar
1 1/2 cup strong black coffee
1/2 maple sugar
1 t black pepper
Cook bacon down and drain off the grease and then add rest of ingredients and cook down then put in food processor to make into a fine paste and put into 1 cup jars and refrigerate.
This is good on bagels or English muffins with some cream cheese.