First, make the salsa. Heat the Instant Pot to "Saute", add the oil and the onions. Cook, stirring, 3 minutes.

Add the fire roasted diced tomatoes to the pot, and simmer, 3 minutes. 

Prepare the spice. Combine the annatto, smoked paprika, cloves, cumin and sea salt. Rub over pork pieces, coating well.

Pour the lime juice into the salsa, and stir to combine. 

Place spiced pork pieces into the salsa, getting all of the spices into the pot. 

Close and lock the lid. Set pressure to HIGH and time for 60 minutes. 

Quick release, or release naturally.

Serve over Cauliflower Rice, topped with avocado and pickled red onions or serve with Siete Tortillas, avocados, pickled red onion and cotija cheese.