01 -
In a small bowl, mix together the chili powder, ancho chili pepper powder, ground cumin, salt, and pepper. Sprinkle the seasoning over the beef chuck roast pieces and press gently on both sides.
02 -
Turn on the sauté setting of your pressure cooker and add the vegetable oil. Allow the cooker to preheat for a few minutes. Once hot, add the seasoned beef pieces and brown on all sides.
03 -
Place the chopped onion, jalapeño pepper (if using), and minced garlic on top of the beef. Add the crushed tomatoes, salsa verde, and beef broth. Stir gently to combine.
04 -
Lock the lid of the pressure cooker and close the pressure-release valve. Cook on high pressure for 40 minutes.
05 -
Once the cooking is complete, allow the pressure to naturally release for 10 minutes, then perform a quick release for any remaining pressure.
06 -
Remove the beef from the cooker and shred it using two forks. Skim fat from the cooking juices and return the shredded beef to the cooker. Stir to heat through.
07 -
Using tongs, serve the shredded beef on tortillas for tacos or flautas. Add toppings such as shredded cheddar cheese, sour cream, guacamole, salsa, and cilantro as desired.