Chicken Spaghetti Squash

large spaghetti squash, halved

cream of chicken soup

sour cream

cooked chicken, shredded

Mexican blend cheese, shredded, divided

salsa

stalk(s) green onion, finely chopped

extra-virgin olive oil

taco seasoning

red pepper flakes, optional

kosher salt and freshly ground pepper

fresh cilantro, optional, garnish