Beef Pot Pie

Makes one 9-inch deep-dish potpie All-Butter Pie Dough (single crust) Egg wash, as needed 8 oz red potatoes cubed 3 tablespoons vegetable oil 12 to 16 oz beef sirloin, cubed 2 cloves garlic, minced 2 tablespoons sherry 1 3/4 cups beef stock 3 carrots, peeled and cut into 1/4-inch rounds 6 to 8…