Root Vegetable Potpie | Williams Sonoma

Ingredients

• 1 sheet frozen puff pastry, thawed
• 2 carrots, peeled and cut into 1-inch chunks
• 1 large yellow onion, chopped
• 1 sweet potato, peeled and cut into 1-inch chunks
• 2 parsnips, peeled and cut into 1-inch chunks
• 4 fresh thyme sprigs, plus 1 Tbs. leaves
• 1/4 cup olive oil
• Salt and freshly ground pepper, to taste
• 4 Tbs. (1/2 stick) unsalted butter
• 1/4 cup all-purpose flour
• 1/2 cup dry white wine
• 2 1/2 cups vegetable broth