n a large saucepan, combine the blackberries, beer, vinegars, sugar, onion, garlic, habanero, chipotle powder, coffee, coriander and cumin. Cook over medium-low heat, stirring occasionally, for 2 hours. Carefully puree the sauce in a blender or food processor (do it without the habanero, taste and then add the habanero or part of it to get the heat to tasted), then strain. |