Root Vegetable Skillet Hash

Name: Root Vegetable Skillet Hash
Ingredients: 12 ounce baguette; 2 tablespoons olive oil (plus more for drizzling); 6 cloves garlic (smashed and peeled); 4 small small beets (trimmed and quartered, reserve the beet greens); 2 medium turnips (peeled and chopped into large pieces); 2 parsnips (peeled and chopped into large pieces); 1 medium sweet potato (scrubbed and chopped into large pieces); 1 medium red onion (peeled and chopped into large pieces); 2 sprigs fresh thyme (leaves removed from stem); 1/4 cup water; kosher salt; freshly ground black pepper (to taste)