Turn the Instant Pot to the sauté setting and heat the olive oil. When the oil is hot, add the onion and garlic and sauté for 3-4 minutes, until the onions are soft and translucent.
Add the Arborio rice and stir to combine. Cook for 1-2 minutes, until the rice is lightly toasted.
Pour in the vegetable broth and stir to combine. Turn the Instant Pot off and secure the lid. Set the valve to sealing and set the Instant Pot to manual high pressure for 4 minutes.
When the timer beeps, quick release the pressure. Carefully open the lid and stir in the corn kernels, Parmesan cheese, and butter. Stir until the cheese and butter are melted.
Taste and season with salt and pepper, if desired. Serve warm with extra Parmesan cheese, if desired.
Interesting Facts
Risotto is a traditional Italian dish that is made with Arborio rice.
Arborio rice is a short-grain rice that is high in starch, which gives risotto its creamy texture.
Fresh corn is a great addition to risotto and adds a sweet flavor to the dish.