Oven Roasted Chicken Breast with Potatoes and Mushrooms

skin-on (boneless chicken breasts)

small new potatoes (scrubbed (or 4 medium potatoes, peeled))

medium size mushrooms (cleaned or washed, then cut in half)

rosemary twigs

fresh rosemary (finely chopped)

crushed red pepper flakes

kosher salt (plus more to taste)

garlic gloves (pressed)

good quality olive oil

balsamic vinegar

lemon juice