Polka Cake

Name: Polka Cake
Ingredients: 2 sticks unsalted butter, melted; 1 cup buttermilk; 3/4 cup honey; 2 cups all-purpose flour; 1 1/2 teaspoons baking soda; 1/2 teaspoon salt; 2 cups granulated sugar; 1 cup sour cream; 2 eggs; Baklava Filling, recipe follows; Cinnamon Buttercream, recipe follows; Filo Puffs, recipe follows; 1/2 cup evaporated milk; 1/2 cup granulated sugar; 4 tablespoons unsalted butter; 1 tablespoon corn syrup; 1 tablespoon cornstarch; 2 egg yolks; 1 1/4 cups chopped pistachios and walnuts; 2 sticks unsalted butter; 6 cups powdered sugar; 2 teaspoons vanilla extract; 1/2 cup heavy whipping cream; 1 teaspoon ground cinnamon; Pan spray; 1 package shredded filo dough