Ultimate Boston Cream Pie Recipe

Highlighted under: Baking & Desserts

A delightful fusion of fluffy vanilla cake, rich chocolate ganache, and creamy custard filling, this Ultimate Boston Cream Pie is sure to impress. Perfect for celebrations or a sweet treat at home, each slice offers a harmonious blend of flavors and textures that everyone will love. Enhance your dessert repertoire with this classic American favorite that's as beautiful as it is delicious.

Imogen Price

Created by

Imogen Price

Last updated on 2025-11-25T15:35:24.661Z

Boston Cream Pie has been a classic dessert since the late 1800s, originating from Boston, Massachusetts. Its unique combination of genres—cake and pie—has made it a beloved choice for dessert lovers everywhere.

Indulge in a Classic Treat

Boston Cream Pie is a unique dessert that perfectly combines two popular favorites: cake and pastry cream. This delightful treat originated in the late 19th century and has since become a cherished staple of American cuisine. The rich layers of fluffy vanilla cake soaked in velvety custard and topped with smooth chocolate ganache create a dessert that brings satisfaction with every bite. Perfect for birthdays, holidays, or simply to enjoy on a cozy afternoon, this pie-inspired cake will surely be the star of your dessert table.

Making Boston Cream Pie at home not only impresses your guests but also allows you to customize the flavors to your liking. Whether you prefer a sweeter chocolate ganache or a hint of citrus in the custard, this recipe can be tailored to match your personal taste. With its stunning presentation and delicious flavors, this cake makes a wonderful addition to any brunch or dinner gathering.

Perfect for Any Occasion

Whether you're hosting a special event or simply treating yourself to a homemade dessert, the Ultimate Boston Cream Pie speaks to celebrations of all kinds. Its elegant look and complex flavors lend an air of sophistication, making it suitable for weddings, anniversaries, or holiday parties. The light texture of the cake balances well with the creamy filling and rich ganache, providing a sweet yet satisfying experience that’s loved by both kids and adults alike.

Additionally, this recipe can serve as a versatile base for various flavors. Try experimenting with different extracts in the custard filling or incorporating fresh fruits between the cake layers for a refreshing twist. With a little creativity, this important dessert can become tailored to fit any occasion while still maintaining its classic appeal.

Tips for Success

Achieving the perfect Boston Cream Pie requires a few tips and tricks to ensure that each layer comes out just right. Firstly, make sure all your ingredients, especially eggs and butter, are at room temperature before mixing, as this helps create a smooth batter for a tender cake. When baking the cake layers, avoid opening the oven door too frequently, as this can lead to uneven baking and collapsing cakes. Always check for doneness with a toothpick and allow the cakes to cool completely before assembling.

When preparing the custard filling, be patient while heating your milk and stirring the mixture. The key to a smooth and thick custard is to combine the hot milk gradually while whisking continuously. If you're looking for a more decadent filling, consider folding in a bit of whipped cream into the cooled custard before spreading it on the cake. Finally, let the assembled cake chill in the fridge for at least an hour to help the ganache set properly—this ensures that each slice will hold together beautifully.

Ingredients

For the Vanilla Cake

  • 2 cups all-purpose flour
  • 1 ½ cups sugar
  • ½ cup unsalted butter, softened
  • 1 cup milk
  • 3 ½ tsp baking powder
  • ½ tsp salt
  • 3 large eggs
  • 2 tsp vanilla extract

For the Custard Filling

  • 2 cups whole milk
  • ½ cup sugar
  • 3 large egg yolks
  • ¼ cup cornstarch
  • 2 tbsp unsalted butter
  • 1 tsp vanilla extract

For the Chocolate Ganache

  • 1 cup heavy cream
  • 8 oz semi-sweet chocolate, chopped
  • 2 tbsp unsalted butter

Instructions

Instructions

Prepare the Vanilla Cake

Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. In a large bowl, cream together the butter and sugar until light and fluffy. Beat in the eggs, one at a time, mixing well after each addition. Stir in the vanilla extract.

In another bowl, mix the flour, baking powder, and salt. Gradually add the dry ingredients to the creamed mixture, alternating with milk, until well combined. Divide the batter evenly between the prepared pans.

Bake for 25-30 minutes or until a toothpick inserted into the center comes out clean. Let the cakes cool in the pans for 10 minutes, then turn them out onto a wire rack to cool completely.

Make the Custard Filling

In a saucepan, heat the milk over medium heat until just boiling. In a bowl, whisk together the sugar, egg yolks, and cornstarch until smooth. Slowly pour the hot milk into the egg mixture, whisking continuously. Pour the mixture back into the saucepan and cook over medium heat, stirring constantly until thickened.

Remove from heat and stir in the butter and vanilla. Let the custard cool before using.

Prepare the Chocolate Ganache

In a small saucepan, heat the heavy cream until it begins to simmer. Place the chopped chocolate in a bowl and pour the hot cream over it. Let sit for 5 minutes, then stir until smooth. Add the butter and mix until fully incorporated.

Assemble the Cake

Once the cakes are completely cool, place one layer on a serving plate. Spread the custard filling evenly over the top, then place the second layer on top. Pour the chocolate ganache over the cake, allowing it to drip down the sides.

Chill the cake for at least an hour before serving to set the ganache. Slice and enjoy!

Enjoy your homemade Ultimate Boston Cream Pie!

Storing and Serving Suggestions

Boston Cream Pie is best enjoyed fresh, but it can be stored in the refrigerator for up to three days. Ensure that it's covered with plastic wrap or stored in an airtight container to maintain its freshness. If you're preparing it ahead of time, consider making the cake layers and custard separately, storing them refrigerated, and assembling just before serving. This keeps the cake light and fluffy, reinforcing its delightful texture.

For an impressive presentation, consider garnishing your cake with chocolate shavings or fresh berries before serving. This adds a pop of color and enhances the overall visual appeal. Slicing the cake into smaller servings can also make it easier to enjoy during gatherings, allowing guests to savor the flavors without feeling overwhelmed.

Nutrition Insights

While Boston Cream Pie is undeniably rich and indulgent, it’s essential to enjoy it as an occasional treat rather than a daily staple. The combination of cake, custard, and ganache does contain sugar and fat, which can add up quickly in terms of caloric intake. For those looking to balance indulgence with health, consider serving smaller slices alongside fresh fruit or a light salad for a well-rounded dessert experience.

If you're looking to cut back on calories without sacrificing flavor, you can experiment with substitutions in your recipe. Use low-fat milk in the custard or opt for a dark chocolate ganache for a slightly healthier twist. Additionally, using a sugar substitute in the cake and custard can help reduce the overall sugar content, making it a more guilt-free treat while still being delicious.

Questions About Recipes

→ Can I make this cake ahead of time?

Yes, you can prepare the cake layers and custard filling in advance. Assemble the cake just before serving.

→ How do I store leftovers?

Store leftover cake in the refrigerator for up to 3 days in an airtight container.

Ultimate Boston Cream Pie Recipe

A delightful fusion of fluffy vanilla cake, rich chocolate ganache, and creamy custard filling, this Ultimate Boston Cream Pie is sure to impress. Perfect for celebrations or a sweet treat at home, each slice offers a harmonious blend of flavors and textures that everyone will love. Enhance your dessert repertoire with this classic American favorite that's as beautiful as it is delicious.

Prep Time30.0
Cooking Duration25.0
Overall Time55.0

Created by: Imogen Price

Recipe Type: Baking & Desserts

Skill Level: Intermediate

Final Quantity: 8.0

What You'll Need

For the Vanilla Cake

  1. 2 cups all-purpose flour
  2. 1 ½ cups sugar
  3. ½ cup unsalted butter, softened
  4. 1 cup milk
  5. 3 ½ tsp baking powder
  6. ½ tsp salt
  7. 3 large eggs
  8. 2 tsp vanilla extract

For the Custard Filling

  1. 2 cups whole milk
  2. ½ cup sugar
  3. 3 large egg yolks
  4. ¼ cup cornstarch
  5. 2 tbsp unsalted butter
  6. 1 tsp vanilla extract

For the Chocolate Ganache

  1. 1 cup heavy cream
  2. 8 oz semi-sweet chocolate, chopped
  3. 2 tbsp unsalted butter

How-To Steps

Step 01

Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. In a large bowl, cream together the butter and sugar until light and fluffy. Beat in the eggs, one at a time, mixing well after each addition. Stir in the vanilla extract.

In another bowl, mix the flour, baking powder, and salt. Gradually add the dry ingredients to the creamed mixture, alternating with milk, until well combined. Divide the batter evenly between the prepared pans.

Bake for 25-30 minutes or until a toothpick inserted into the center comes out clean. Let the cakes cool in the pans for 10 minutes, then turn them out onto a wire rack to cool completely.

Step 02

In a saucepan, heat the milk over medium heat until just boiling. In a bowl, whisk together the sugar, egg yolks, and cornstarch until smooth. Slowly pour the hot milk into the egg mixture, whisking continuously. Pour the mixture back into the saucepan and cook over medium heat, stirring constantly until thickened.

Remove from heat and stir in the butter and vanilla. Let the custard cool before using.

Step 03

In a small saucepan, heat the heavy cream until it begins to simmer. Place the chopped chocolate in a bowl and pour the hot cream over it. Let sit for 5 minutes, then stir until smooth. Add the butter and mix until fully incorporated.

Step 04

Once the cakes are completely cool, place one layer on a serving plate. Spread the custard filling evenly over the top, then place the second layer on top. Pour the chocolate ganache over the cake, allowing it to drip down the sides.

Chill the cake for at least an hour before serving to set the ganache. Slice and enjoy!

Nutritional Breakdown (Per Serving)

  • Serving Size: 1 slice
  • Total Fat: 22g
  • Saturated Fat: 13g
  • Cholesterol: 85mg
  • Sodium: 150mg
  • Total Carbohydrates: 54g
  • Dietary Fiber: 1g
  • Sugars: 30g
  • Protein: 6g