Place the tomatillos, chipotle peppers, tomato sauce, water, salt, and brown sugar in the work bowl of a food processor, and blend until smooth. Set the mixture aside.
Heat the olive oil in a pressure cooker with the lid off over medium heat, and cook and stir the onion and garlic until the onions are translucent, about 3 minutes. Drop the brisket into the pressure cooker, and sear it on both sides. Pour the tomatillo mixture over the brisket, bring to a boil, and place the lid on the cooker. When the pressure comes up, set the heat so the cooker develops medium pressure, and cook for 1 hour and 15 minutes.
Allow the cooker to release pressure on its own (without using the quick-release), and remove the brisket. Serve hot, with tomatillo sauce on the side.
Nutritional Facts
Per 6 servings
Calories: 809
Carbohydrate: 13g
Fat: 65g
Fiber: 6g
Protein: 40g
Sugar: 5g
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