Easy Chicken Rice Soup

+ tablespoon extra-virgin olive oil

medium onion, chopped

garlic cloves, minced

medium carrots, cut diagonally into ½-inch-thick slices

celery ribs, halved lengthwise, and cut into ½-inch-thick slices

fresh thyme sprigs

bay leaf

chicken stock or broth

water

long grain white rice

lemon

chicken breasts + 1 leg/thigh quarter (or equivalent to)

Kosher salt and freshly ground black pepper