3. Step
Select Saute function. Add 2 tablespoons oil to the hot pot. Add onion, bell pepper, carrot, Italian seasoning, salt, and black pepper. Cook, stirring frequently, until onion is just tender, about 4 minutes. Add zucchini, tomatoes, garlic, lemon juice, and lemon zest; saute until zucchini is tender-crisp, about 5 minutes.