Kristina's S'mores Cake Recipe | Food Network

Ingredients

• Nonstick spray
• 1 1/2 cups all-purpose flour
• 1 cup graham cracker crumbs
• 1 1/2 teaspoons baking powder
• 1 teaspoon baking soda
• 1 teaspoon kosher salt
• 1 stick (8 tablespoons) unsalted butter, at room temperature
• 1/4 cup canola oil
• 1 cup granulated sugar
• 1/2 cup brown sugar
• 2 teaspoons corn syrup
• 3 large eggs
• 1 teaspoon vanilla extract
• 1 cup whole milk
• 1/2 cup water
• 1/2 cup egg whites
• 1/4 teaspoon cream of tartar
• 3 sticks (1 1/2 cups) unsalted butter, cubed, at room temperature
• 1/2 teaspoon vanilla extract
• 1/2 cup marshmallow creme, such as Marshmallow Fluff
• 2 cups marshmallows
• 8 ounces dark chocolate, coarsely chopped
• 3/4 cup heavy whipping cream
• 1 tablespoon unsalted butter, at room temperature