Instant Pot Mexican Casserole

extra virgin olive oil

93% lean ground chicken or turkey

small yellow onion, diced

kosher salt

uncooked long grain brown rice*

large red bell pepper, cut into wide strips (about 3/4 inch), halved if long

large green bell pepper, cut into wide strips (about 3/4 inch), halved if long

low-sodium black beans, drained and rinsed

 fire-roasted diced tomatoes in their juices

corn kernels, fresh, frozen and thawed, or drained from a can

your favorite salsa (1, 16-ounce jar); I used a chunky medium salsa

chili powder

ground cumin

garlic powder

shredded Mexican blend cheese, divided

For serving: chopped fresh cilantro, diced avocado, chopped green onion, sour cream or plain Greek yogurt