Portal cake recipe

Name: Portal cake recipe
Prep time: 1 h 20 min
Cook time: 40 min
Total time: 2 h
Cuisine: American
Ingredients: 1 1/2 cups (3 sticks) unsalted butter, plus more for greasing the pans; 3/4 cup unsweetened cocoa powder, plus more for pans; 1/2 cup boiling water; 2 1/4 cups sugar or granulated sugar substitute; 1 Tbsp pure vanilla extract; 4 large eggs, lightly beaten; 3 cups sifted cake flour; 1 tsp baking soda; 1/2 ttsp salt; 1 cup milk; Chocolate and vanilla frosting of your choice (buttercream recipe here!); 2 (1.55-oz) chocolate bars, grated; Maraschino cherries; Whipped cream