Press "Sauté" on a 6-quart Instant Pot. When the display reads “hot”, add the butter and allow it to melt.
¼ cup unsalted butter
Add the onions and jalapeno and saute 3-4 minutes, or until softened. Season with garlic powder, cumin, paprika, salt, and cayenne (if using).
½ medium red onion, 1 jalapeno pepper, 1 teaspoon garlic powder, 1 teaspoon ground cumin, ½ teaspoon ground paprika, ½ teaspoon kosher salt, ¼ teaspoon ground cayenne pepper
Press "Cancel", then add the tomatoes and broth, stirring well. Add the cream cheese cubes on top of the mixture; do not stir.
10 ounces diced tomatoes with green chiles, ½ cup low-sodium vegetable broth, 4 ounces cream cheese
Secure the lid and pressure valve, and cook on "Manual High Pressure" for 1 minute. Perform a quick release, then carefully remove the lid.
Add the heavy cream and stir, then gradually add the shredded cheeses, 1 cup at a time, stirring well until it’s completely melted.
¾ cup heavy cream, 2 cups freshly shredded cheddar cheese, 2 cups freshly shredded Monterey Jack cheese
Allow the queso to thicken for a few minutes, then transfer it to a serving bowl. Garnish with jalapeno slices and diced tomatoes (if desired), and enjoy with a big bowl of tortilla chips.
Tortilla chips