Easy One-Pan Roasted Chicken and Vegetables

bone-in chicken thighs with skin (see notes if you want to use bone-in breasts)

large sweet potatoes (yams)

bunch broccoli or 3 zucchini sqauash

medium or large red onion

olive oil

salt (or use Seasonello in place of the seasonings listed)

pepper

garlic powder

juice from half a lemon (see notes)