This is a fairly simple and common preparation of risotto. The rice will be mixed up with a few thin slices of vegetables. Sprinkle with cheese before serving will enhance the dish.
Put the instant pot in mode browning
Fry the onion and rice in a little oil
When the rice becomes translucent, add the vegetables, broth, salt, and pepper
Put the instant pot in pressure cooking mode 15min
When ready to serve, put the mascarpone and parmesan cheese
Servings 4