Mascarpone-Stuffed French Toast with Salted Caramel-Banana Sauce
Prepare as directed. Cover with plastic wrap. Chill for at least 2 hours or up to 24 hours. To serve, thaw casserole in refrigerator for 48 hours, if frozen. Preheat oven to 375°F. Line a 15x10x1-inch baking pan with parchment paper. Arrange bread stacks in the prepared pan. Bake about 1 hour or until golden, turning stacks every 15 minutes. Serve warm with Salted Caramel-Banana Sauce.