Satisfying Yukon Gold and Green Bean Casserole

SATISFYING YUKON GOLD AND GREEN BEAN CASSEROLE12-16 small or medium size Yukon Gold potatoes, cut in half or quarters8 oz. fresh green beans, stemmed12 whole garlic cloves1 pint assorted colored cherry tomatoes, whole or halved6 springs fresh thyme leavesOlive oilKosher…