Fluffy, dreamy, and topped with Nutella? Say hello to Nutella Cinnamon Cloud Pancakes by guarnaschelli! ☁️🥞✨   • 1-½ cups full fat buttermilk • ½-stick unsalted butter, melted and cooled  • 1-teaspoon vanilla  • 1-teaspoon kosher salt • 1 large egg yolk, lightly beaten • 1-½ cups all-purpose flour • ½-cup confectioners’ sugar • 2 teaspoons baking powder • 1-½ teaspoons cinnamon  • ½-teaspoon dry ginger  • 3 large egg whites • ¼-teaspoon cream of tartar • Nonstick spray • 2-3 tablespoons Nutella 1. In a large bowl, whisk together the buttermilk, butter, vanilla, salt and the egg yolk. Sift the flour, sugar, baking powder, cinnamon and ginger right over the wet ingredients and whisk only to combine.   2. Preheat the oven to 300F.   3. In the clean bowl of the electric mixer fitted with the whisk attachment, whip the egg whites and cream of tartar on medium speed until soft peaks form, 4-5 minutes. Using a rubber spatula, gently fold the whites into the batter. Don’t mix a...