30th Birthday Cake with Cookies and Cream

Highlighted under: Artisanal Baking Recipes

I’ve always believed that every birthday deserves a special cake, and turning 30 is a milestone that calls for a grand celebration. This 30th Birthday Cake with Cookies and Cream is a delightful treat that pairs rich chocolate layers with creamy cookies and cream frosting. I can’t tell you how much joy it brings to see friends and family indulge in each slice, laughing and reminiscing about the past decades. It’s the perfect centerpiece for your celebration, combining nostalgia and elegance in each bite.

Anna

Created by

Anna

Last updated on 2026-02-16T13:54:18.729Z

When I first set out to create this 30th Birthday Cake, I wanted it to reflect not only a celebration but also the joy of growing up. I experimented with different cake bases and frosting techniques, finally settling on a rich chocolate cake layered with cookies and cream. The crunch of the cookies gives a delightful contrast to the moist cake. I discovered that using cold cream from the fridge really helps achieve that perfect fluffy texture in the frosting.

As I crafted each layer, I thought about all the wonderful memories tied to cake and celebration, from childhood birthdays to adulthood parties. This cake isn’t just about flavor; it’s about sharing happiness with those you love. For an extra kick of flavor, don’t skip drizzling some chocolate sauce in between the layers!

Why You'll Love This Cake

  • Decadent chocolate flavor combined with creamy cookie crunch
  • Moist layers that hold up perfectly for decorating
  • A show-stopping dessert that impresses at any party

Baking the Perfect Chocolate Cake

When making this rich chocolate cake, it's essential to measure your dry ingredients accurately. Use a kitchen scale for precision, especially with cocoa powder, which can vary in density. Sifting your cocoa powder and flour can also prevent lumps and ensure a smoother batter. If you find your cake rises unevenly, check the level of your oven's temperature; an oven thermometer can help confirm accuracy.

The combination of boiling water into the batter not only creates a surprisingly thin mixture but also helps to bloom the cocoa, enhancing the chocolate flavor. This step adds moisture, resulting in a luxuriously dense yet soft crumb. Be cautious while mixing; over-mixing can lead to a gummy texture rather than a tender cake.

Crafting the Cookies and Cream Frosting

For the Cookies and Cream frosting, starting with room-temperature butter is crucial. It should be soft enough to whip into a fluffy consistency but not melted. Aim for a creamy texture before gradually adding powdered sugar to avoid a grainy finish. The heavy cream adds richness, while the crushed chocolate sandwich cookies introduce a delightful crunch and flavor contrast.

If the frosting seems too thick after adding the crushed cookies, a tablespoon of heavy cream can help achieve the desired spreadable consistency. On the contrary, if the frosting is too thin, consider adding more powdered sugar gradually until you reach a stable, pipeable texture that holds its shape beautifully when layered on the cake.

Decorating and Serving Suggestions

When it comes to assembling and decorating your cake, ensure that the layers are completely cool to minimize sliding and melting. For a smoother finish, consider using a spatula dipped in hot water for the final frosting layers—this creates a polished look. You can also chill the decorated cake for about 30 minutes to set the frosting before serving, which makes the slices cleaner and less messy.

For serving, pairing this cake with fresh berries or a scoop of vanilla ice cream elevates the flavors and adds a refreshing contrast to the richness of the cake. If you want to prepare ahead of time, the cake layers can be baked 1-2 days in advance. Wrap them tightly in plastic wrap and store them at room temperature until you're ready to frost and serve.

Ingredients for the Cake

Cake Components

  • 2 cups all-purpose flour
  • 1 3/4 cups granulated sugar
  • 3/4 cup unsweetened cocoa powder
  • 1 1/2 teaspoons baking powder
  • 1 1/2 teaspoons baking soda
  • 1 teaspoon salt
  • 2 large eggs
  • 1 cup whole milk
  • 1/2 cup vegetable oil
  • 2 teaspoons vanilla extract
  • 1 cup boiling water

Cookies and Cream Frosting

  • 1 cup unsalted butter, softened
  • 4 cups powdered sugar
  • 1/2 cup heavy cream
  • 1 teaspoon vanilla extract
  • 1 1/2 cups crushed chocolate sandwich cookies

Additional Toppings (Optional)

Instructions

Preheat the Oven

Preheat your oven to 350°F (175°C) and grease and flour two 9-inch round cake pans.

Mix Dry Ingredients

In a large bowl, combine flour, sugar, cocoa powder, baking powder, baking soda, and salt. Whisk until well combined.

Combine Wet Ingredients

Add the eggs, milk, vegetable oil, and vanilla to the dry ingredients. Mix until smooth.

Incorporate Boiling Water

Carefully stir in the boiling water until fully combined – the batter will be thin.

Bake the Cakes

Pour the batter evenly into the prepared pans. Bake for 30 minutes, or until a toothpick comes out clean.

Prepare the Frosting

While the cakes bake, beat softened butter until creamy. Gradually add powdered sugar, then heavy cream and vanilla. Mix until fluffy. Fold in crushed cookies.

Assemble the Cake

Once cakes are cooled, place one layer on a serving plate. Spread a layer of frosting on top, then place the second layer on and frost the top and sides.

Decorate

Decorate as desired with extra cookie crumbles or drizzles of chocolate sauce.

Enjoy Your Cake!

Pro Tips

  • For best results, let the cake layers cool completely before frosting them to prevent the frosting from melting.

Ingredient Substitutions

If you need a gluten-free option for the cake, substitute the all-purpose flour with a 1:1 gluten-free baking blend. Make sure to check that your chocolate sandwich cookies are also gluten-free if that is necessary. For a dairy-free version, you can replace the whole milk with almond or oat milk and use a dairy-free butter substitute for the frosting.

In place of vegetable oil, you can use melted coconut oil, which adds a subtle coconut flavor and maintains moistness in the cake. Additionally, if chocolate sandwich cookies are not available, a crushed version of any chocolate biscuit can work, though the flavor profile might vary slightly.

Storage Tips

This cake can be stored in an airtight container at room temperature for up to three days, but keep in mind that the texture and taste are best enjoyed fresh. If you wish to keep it longer, consider refrigerating it for up to a week. Just be sure to let it come to room temperature before serving to allow the frosting's texture to soften.

For longer storage, you can freeze the unassembled cake layers. Wrap each layer tightly in cling film, then in aluminum foil to prevent freezer burn. When ready to enjoy, simply defrost in the refrigerator overnight before frosting. Please note that the frosting does not freeze well, so it’s best made fresh closer to serving time.

Questions About Recipes

→ Can I use a different type of cake for this recipe?

Absolutely! Feel free to substitute the chocolate cake with vanilla or even a red velvet base for a different flavor profile.

→ How do I store leftover cake?

Store the cake in an airtight container in the refrigerator for up to five days, or freeze it for up to three months.

→ Can I make this cake ahead of time?

Yes, you can bake the cakes in advance and store them, unfrosted, in the freezer until you're ready to frost and serve.

→ What can I use as a substitute for heavy cream?

You can substitute heavy cream with whipped coconut cream or a thick dairy-free alternative for a lighter option.

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30th Birthday Cake with Cookies and Cream

I’ve always believed that every birthday deserves a special cake, and turning 30 is a milestone that calls for a grand celebration. This 30th Birthday Cake with Cookies and Cream is a delightful treat that pairs rich chocolate layers with creamy cookies and cream frosting. I can’t tell you how much joy it brings to see friends and family indulge in each slice, laughing and reminiscing about the past decades. It’s the perfect centerpiece for your celebration, combining nostalgia and elegance in each bite.

Prep Time25 minutes
Cooking Duration30 minutes
Overall Time55 minutes

Created by: Anna

Recipe Type: Artisanal Baking Recipes

Skill Level: Intermediate

Final Quantity: 12 servings

What You'll Need

Cake Components

  1. 2 cups all-purpose flour
  2. 1 3/4 cups granulated sugar
  3. 3/4 cup unsweetened cocoa powder
  4. 1 1/2 teaspoons baking powder
  5. 1 1/2 teaspoons baking soda
  6. 1 teaspoon salt
  7. 2 large eggs
  8. 1 cup whole milk
  9. 1/2 cup vegetable oil
  10. 2 teaspoons vanilla extract
  11. 1 cup boiling water

Cookies and Cream Frosting

  1. 1 cup unsalted butter, softened
  2. 4 cups powdered sugar
  3. 1/2 cup heavy cream
  4. 1 teaspoon vanilla extract
  5. 1 1/2 cups crushed chocolate sandwich cookies

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and grease and flour two 9-inch round cake pans.

Step 02

In a large bowl, combine flour, sugar, cocoa powder, baking powder, baking soda, and salt. Whisk until well combined.

Step 03

Add the eggs, milk, vegetable oil, and vanilla to the dry ingredients. Mix until smooth.

Step 04

Carefully stir in the boiling water until fully combined – the batter will be thin.

Step 05

Pour the batter evenly into the prepared pans. Bake for 30 minutes, or until a toothpick comes out clean.

Step 06

While the cakes bake, beat softened butter until creamy. Gradually add powdered sugar, then heavy cream and vanilla. Mix until fluffy. Fold in crushed cookies.

Step 07

Once cakes are cooled, place one layer on a serving plate. Spread a layer of frosting on top, then place the second layer on and frost the top and sides.

Step 08

Decorate as desired with extra cookie crumbles or drizzles of chocolate sauce.

Extra Tips

  1. For best results, let the cake layers cool completely before frosting them to prevent the frosting from melting.

Nutritional Breakdown (Per Serving)

  • Calories: 450 kcal
  • Total Fat: 24g
  • Saturated Fat: 15g
  • Cholesterol: 60mg
  • Sodium: 200mg
  • Total Carbohydrates: 51g
  • Dietary Fiber: 2g
  • Sugars: 38g
  • Protein: 4g