San Marzano Plum Tomatoes Onion Minced Garlic Water Or Broth Olive Oil Basil Leaves Red Chili Flakes Oregano Salt Parmesan Cheese (optional)
Press the Sauté button and allow the Instant Pot to heat up. Drizzle a bit of olive oil into the inner pot. Add in the chopped onions, garlic, red chili flakes, oregano, basil and cook until fragrant, about 2-3 minutes.