bottle
of beer, divided 1 very large white (or yellow) onion, thickly sliced 4 fresh Serrano peppers (or
substitute jalapenos) 2 tablespoons canola or high - oleic safflower oil 4 cloves garlic 1 large stalk
celery, diced 2 medium green bell peppers, chopped 1 tablespoon cumin 1/2 teaspoon freshly ground black pepper 1 teaspoon dried oregano leaves, preferably Mexican 1 package chicken - style seitan, well chopped (or
substitute regular seitan) 1 4 - ounce can chopped fire - roasted green chiles, preferably Hatch 1 chipotle pepper (from canned chipotles in adobo), minced 2 1/2 cups crushed tomatoes (about 3/4
of a 28 - oz can) 1/2 teaspoon salt 1 1/2 cups reserved bean cooking liquid 1/2 ounce bittersweet chocolate Fat - free sour
cream (or vegan sour
cream) and chopped red onions, for garnish