Step 1

In your Instant Pot®, stir together the tomatoes, garlic, jalapeños, bell pepper, red onion, yellow onion, cumin, salt, pepper, and baking soda. Lock the lid and turn the steam release handle to Sealing. Using the Manual or Pressure Cook function, set the cooker to High Pressure for 5 minutes (4 minutes at sea level).

Step 2

When the cook time is complete, let the pressure release naturally for 10 minutes; quick release any remaining pressure.

Step 3

Carefully remove the lid and stir in the tomato paste, lime juice, and cilantro. Let cool completely before serving.