Place all ingredients into pressure cooker and cook for approx 75 until the meat is tender enough to shred.
Let meat cool and then shred (lightly break apart with hands).
Combine ingredients and shredded, cooked meat. Place in frying pan for 10–15 minutes under medium-to-low heat. Add salt, as needed.
Roast the serrano chili peppers and roma tomatoes
Combine roasted ingredients with garlic, onion, and salt. Lightly blend in electric blender to allow for some chunky consistency.
Lady Tacos de Canasta's Suggested Side Dishes and/or Pairings:
Rice serving, hand-made corn tortillas, or Mexican baguette (known as birote/bolillo/torcido in Spanish)
Unaged or aged mezcal liquor with half-wheels of orange or grapefruit and large-grain salt