Roast onions, tomatoes, and garlic in the oven at 350F for 30 minutes.
Using the sear/sauté function, sear off beef until browned on all sides.
Steep the de-seeded chilies in boiling beef broth until softened.
In a blender, add the onions, tomatoes, garlic, chilies, and broth. Blend until smooth.
Cover the beef in the Foodi/Instant Pot with the blended mix.
Add pepper, cumin, salt, oregano, cinnamon, chipotle chili flakes and bay leaf to the Foodi/Instant Pot.
Seal the cooker. Pressure cook on high for 1 hour and 30 minutes.
Natural release the pressure.
Shred the meat and keep the cooking broth.
Enjoy in tacos, burritos, etc…