Ding Dong Sheet Cake

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Ding Dong Sheet Cake takes those iconic chocolate and cream snack cakes from your childhood lunchbox and transforms them into the most incredible party-sized dessert I’ve ever made. Remember those individually wrapped chocolate hockey pucks with the creamy white filling that you’d carefully peel apart to lick the cream first? This cake captures that exact flavor combination but makes it fancy enough for celebrations and big enough to feed a crowd. The layers of moist chocolate sheet cake with fluffy vanilla cream filling and silky chocolate frosting create this nostalgic flavor bomb that tastes exactly like Ding Dongs but about a hundred times better.

What Is Ding Dong Sheet Cake?

Ding Dong Sheet Cake is a layered chocolate sheet cake inspired by the classic Hostess Ding Dong snack cakes, featuring moist chocolate cake layers filled with vanilla ermine cream and topped with chocolate ermine frosting. What makes this cake special is the ermine frosting technique, which creates incredibly smooth, silky frostings and fillings that taste nothing like typical buttercream. The cake mimics that iconic combination of chocolate and cream in a shareable sheet cake format. Think of it as your favorite childhood treat elevated into an impressive dessert that’s perfect for birthdays, potlucks, and any celebration.

Ingredients Breakdown

Let’s break down all the ingredients for this amazing Ding Dong Sheet Cake. I’ve organized everything by component so you can prep efficiently.

For the Chocolate Sheet Cake:

• All-purpose flour (1¾ cups): Creates tender, moist cake structure.
• Granulated sugar (2 cups): Sweetens and keeps the cake incredibly moist.
• Unsweetened cocoa powder (¾ cup): Provides deep chocolate flavor.
• Baking soda (2 teaspoons): Provides rise and tender crumb.
• Baking powder (1 teaspoon): Works with baking soda for perfect lift.
• Kosher salt (1 teaspoon): Balances sweetness and makes chocolate pop.
• Buttermilk (1 cup, room temperature): Adds tang and tender texture.
• Vegetable oil (½ cup): Keeps the cake moist for days.
• Eggs (2 large, room temperature): Add structure and richness for your Ding Dong Sheet Cake.
• Vanilla extract (2 teaspoons): Rounds out the chocolate flavor.
• Freshly brewed hot coffee (1 cup): Intensifies chocolate without adding coffee flavor.

For the Vanilla Ermine Filling:

• Whole milk (1 cup): Creates the cooked paste base.
• All-purpose flour (5 tablespoons): Thickens the milk into paste.
• Unsalted butter (1 cup, room temperature): Must be soft for proper whipping.
• Granulated sugar (1 cup): Sweetens without grittiness.
• Vanilla extract (1 teaspoon): Pure vanilla flavor for your Ding Dong Sheet Cake filling.

For the Chocolate Ermine Frosting:

• Whole milk (1 cup): Creates the cooked paste base.
• All-purpose flour (5 tablespoons): Thickens the milk into paste.
• Unsalted butter (1 cup, room temperature): Must be soft for proper whipping.
• Granulated sugar (1 cup): Sweetens the frosting.
• Dutch-process cocoa powder (½ cup): Adds smooth chocolate flavor.
• Vanilla extract (1 teaspoon): Rounds out the chocolate.

Step-by-Step Instructions

Alright, let’s make this nostalgic masterpiece. The process takes some time but each component is straightforward.

Bake the Chocolate Sheet Cake

Preheat your oven to 350°F. Grease a 10×15 inch jelly roll sheet pan with nonstick spray. Combine the flour, sugar, cocoa powder, baking soda, baking powder, and salt in your stand mixer bowl. Mix briefly to combine.

In a separate bowl, whisk together the buttermilk, oil, eggs, and vanilla until smooth. With the mixer running on low speed, slowly pour the wet mixture into the dry ingredients. Once incorporated, pour in the hot coffee and mix on low just until combined, scraping the bottom with a rubber spatula to catch any dry pockets for your Ding Dong Sheet Cake.

Pour the batter into the prepared pan and bake for 28-30 minutes until a toothpick inserted in the center comes out mostly clean with no wet batter. Don’t overbake. Let the cake cool completely in the pan at room temperature, then transfer to the freezer or refrigerator until fully firm. This makes slicing cleaner and easier.

Make the Vanilla Ermine Filling

Whisk the milk and flour together in a medium saucepan over medium heat. Cook, whisking constantly, for 3-5 minutes until the mixture thickens into a very stiff pudding-like paste with no lumps, thick enough to coat the back of a spoon heavily. Remove from heat and cool completely to room temperature.

Beat the butter and sugar together in your stand mixer with the paddle attachment on medium speed until very light and fluffy, about 2-3 minutes. Scrape down the sides. Add the fully cooled milk paste to the butter mixture. Beat on medium-high speed for 2-3 minutes until light and fluffy, scraping the sides as needed.

Switch to the whisk attachment, add the vanilla, and whip on high speed for 7-8 minutes until the frosting is perfectly smooth, silky, and creamy with no graininess. This long whipping time is crucial for your Ding Dong Sheet Cake filling texture.

Make the Chocolate Ermine Frosting

Repeat the same milk and flour paste process. Cook whisking constantly until thick, remove from heat, and cool completely to room temperature. The paste will become lumpy again as it cools, which is normal.

Beat the butter, sugar, and cocoa powder together in the stand mixer with the paddle attachment on low speed until the cocoa is fully incorporated, then increase to medium and beat until light and fluffy, about 2-3 minutes. Scrape the sides.

Add the cooled milk paste and beat on medium-high for 2-3 minutes until fluffy. Switch to the whisk attachment, add the vanilla, and whip on high for 8-10 minutes until completely smooth and creamy.

Assemble Your Ding Dong Sheet Cake

Remove the fully chilled cake from the freezer. Using a long serrated knife, slice the cake in half down the center lengthwise, creating two equal rectangles of identical size. Place one rectangle flat on a large serving board or platter.

Spread the entire vanilla ermine filling evenly over the top surface in a thick generous layer all the way to the edges. Carefully place the second cake rectangle directly on top of the vanilla filling, pressing gently and evenly to adhere.

Spread the chocolate ermine frosting over the entire top surface in generous rustic swirls, covering from edge to edge. Refrigerate at least 1 hour before slicing and serving.

Serving This Nostalgic Treat

This Ding Dong Sheet Cake is best served chilled, cut into generous squares that show off those gorgeous layers. I love serving it at birthday parties and potlucks because it feeds a crowd easily and everyone goes crazy for that childhood flavor combination. The cake looks stunning on the table with those beautiful layers visible from the side. For a complete retro dessert spread, serve it alongside other nostalgic treats like my Ultimate Chocolate Sheet Cake to give guests variety. Use a sharp knife dipped in hot water and wiped dry between cuts for the cleanest slices.

Pro Tips for Success

• Room temperature ingredients are essential: Especially for the buttermilk and eggs in the cake, and butter for the frostings.
• Don’t skip the hot coffee: It intensifies the chocolate flavor without making the cake taste like coffee. Hot water works too but coffee is better.
• Cool the milk paste completely: Adding warm paste to butter will melt it and ruin your frosting for your Ding Dong Sheet Cake.
• Whip the frostings fully: Those 7-10 minutes of final whipping transform the texture from grainy to silky smooth. Don’t rush this step.
• Freeze the cake before slicing: A firm, cold cake cuts much cleaner into two even layers than a room temperature cake.
• Use a serrated knife: It cuts through the cake layers cleanly without compressing them.
• Spread filling to the edges: You want filling in every bite, so spread it all the way to the edges.
• Chill before serving: The hour of chilling helps everything set for perfect slices.

Common Questions Answered

What is ermine frosting?

Ermine frosting, also called boiled milk frosting or flour buttercream, is made by cooking milk and flour into a paste, then whipping it with butter and sugar. The result is incredibly smooth, silky frosting that’s less sweet than American buttercream and more stable than whipped cream. It’s perfect for your Ding Dong Sheet Cake because it mimics that creamy filling from the original snack cakes.

Can I make this ahead?

Yes! You can bake the cake 1 day ahead and keep it wrapped in the refrigerator. The frostings can be made 1 day ahead and stored in the refrigerator, then brought to room temperature and re-whipped before using. The fully assembled cake keeps covered in the refrigerator for up to 3 days.

Why is my ermine frosting grainy?

This usually means the milk paste wasn’t cooled completely before adding it to the butter, or you didn’t whip it long enough at the end. Make sure the paste is completely room temperature, and don’t skip those final 7-10 minutes of whipping on high speed for your Ding Dong Sheet Cake. That’s what creates the silky smooth texture.

Can I use a different pan size?

The 10×15 inch jelly roll pan is ideal for this recipe. A 9×13 inch pan will make the cake too thick and the bake time will need adjustment. If you must use 9×13, increase baking time to 35-40 minutes and check for doneness with a toothpick.

Why This Recipe Works

Ding Dong Sheet Cake is the ultimate nostalgic dessert because it captures those iconic childhood flavors in an impressive, shareable format. The ermine frosting technique creates that authentic creamy filling and frosting that tastes just like the original snack cakes but without the artificial ingredients. The moist chocolate cake stays fresh for days and feeds a crowd easily. Whether you’re celebrating a birthday, bringing dessert to a potluck, or just craving that childhood flavor, this cake delivers every single time with professional bakery results.

For more nostalgic dessert recipes and retro cake ideas, check out my Pinterest page where I share all my favorite throwback treats.