Beef Brisket with Chipotle Tomatillo Sauce

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.