Instant Pot Butter Chicken Recipe

Name: Instant Pot Butter Chicken Recipe
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: Indian
Ingredients: 1 large yellow onion; 8 large cloves garlic; 1 (1-inch) piece ginger; 4 tablespoons (1/2 stick) unsalted butter; 3 tablespoons sweet paprika; 1/2 to 1 teaspoon cayenne pepper; 1 teaspoon ground coriander; 1 teaspoon garam masala; 1 teaspoon kasuri methi (dried fenugreek, optional); 1/4 cup water; 1 (28-ounce) can whole, peeled tomatoes; 1/4 cup salted or unsalted roasted cashews; 1 tablespoon granulated sugar; 1 teaspoon kosher salt, plus more as needed; 1 1/2 pounds boneless, skinless chicken thighs; 1/4 cup heavy cream, plus more for garnish; 2 medium limes; 1/2 bunch fresh cilantro; Warm naan or flatbread, for serving