This Cinnamon Sugar French Toast recipe by Tieghan Gerard transforms classic French toast into a decadent breakfast treat. Featuring slices of challah bread soaked in a rich custard blend of eggs, whole milk, bourbon, and warm spices, then cooked to golden perfection in a skillet. Topped with a luscious whipped mascarpone cream and a generous sprinkle of cinnamon sugar, this dish offers a perfect balance of sweet, creamy, and slightly boozy flavors that will delight your taste buds.