Perfectly cooked cheesy Instant Pot Rice loaded with fresh zucchini.
Heat butter in Instant Pot on Sauté mode. Add onions and sauté 2-3 minutes until they start to soften. Add uncooked rice and let toast another 3-4 minutes, stirring constantly. Add garlic and sauté for an additional minute. Stir in chicken broth, 1 1/2 teaspoon kosher salt, and 1/2 teaspoon pepper.
Lock Instant Pot lid in place and set valve to Sealing. Cook on low pressure for 12 minutes. Use a Quick Pressure Release and stir in shredded zucchini, cheddar cheese, and parmesan cheese into cooked rice.