Instant Pot Greek Chicken & Rice

olive oil

chicken breasts, diced

medium-sized red onion, diced

garlic, minced

lemon juice

oregano

each salt and pepper

chicken broth

dry white rice

each red and yellow bell pepper, chopped

zucchini, sliced

parsley, finely chopped

feta cheese, crumbled (optional topping)

Tzatziki (optional, to serve on the side)