Creamy Potato and Leek Gratin
Ingredients:9 medium leeks (about 3 lb; white and pale green parts only)3 Tbsp unsalted butter2 lb russet (baking) potatoes1½ cups heavy cream1 cup whole milk2 tsp thyme leaves Directions:Preheat oven to 400°F with rack in middle. Generously butter a 3-qt shallow baking dish. Cut a round of parchment paper to fit just inside a 12-inch … Read more