If you’ve ever daydreamed about a dessert that blends the comfort of sponge cake, the lushness of creamy custard, and the irresistible richness of chocolate, then Boston Cream Pie is the treat you need in your life. Despite its misleading name, this isn’t a pie at all but a cake layered with silky pastry cream and topped with a glossy chocolate glaze. Fancy enough for celebrations but simple enough for a weekend bake, Boston Cream Pie is a showstopper that never fails to impress, whether you’re sharing it with old friends or introducing it to someone for the first time.

Ingredients You’ll Need
You might be surprised by how approachable this ingredient list is! Each component—from the classic vanilla cake to the dreamy custard filling and the decadent glaze—plays a starring role in creating the iconic Boston Cream Pie flavor you know and love.
- Granulated sugar: Sweetens both the cake and the pastry cream, giving the pie its characteristic delicate taste.
- Unsalted butter (softened): Essential for a moist, tender crumb and a rich, buttery flavor in the cake.
- Large eggs: Add structure and richness to the cake and the custard, while also helping to achieve that classic yellow hue.
- Vanilla extract: Pure vanilla makes the pastry cream and cake sing with warm, familiar flavor—don’t skimp!
- All-purpose flour: Gives structure to your cake layers, keeping them light but sturdy enough to hold the filling.
- Baking powder: Each slice rises perfectly thanks to this leavening agent; don’t forget to check it’s fresh.
- Salt: Just a pinch balances and boosts all the sweet flavors in both components.
- Milk: Adds moisture to the cake and serves as the creamy base of the pastry cream.
- Cornstarch: Thickens the pastry cream until it’s cloud-like but sliceable—absolutely key for success.
- Egg yolks: Enrich the pastry cream, giving it color, silkiness, and that lush, pudding-like texture.
- Heavy cream: This helps transform the chocolate into a silky-smooth glaze that’s just the right consistency.
- Semi-sweet chocolate (chopped): Not too dark and not too sweet, it’s the best choice for a shiny, balanced top layer.
- Corn syrup (optional): Adds extra shine to the glaze—it’s not a must, but it’s a lovely touch for that bakery look.
How to Make Boston Cream Pie
Step 1: Prepare and Bake the Cake Layers
Start by heating your oven to 350°F (175°C) and prepping your cake pans with grease and flour; this ensures the cakes pop out effortlessly later. Cream together the sugar and butter until they’re light and fluffy—the more air you beat in, the lighter your cake will be. Next, blend in the eggs and vanilla until smooth. In a separate bowl, whisk your dry ingredients, then alternate adding them with milk to your wet mix, beginning and ending with flour for the best crumb. Don’t overmix—just combine until no dry spots remain. Pour the batter evenly into two round pans and bake until golden and a toothpick comes out clean, about 20–25 minutes. Let the layers cool for 10 minutes before carefully transferring them to wire racks to cool completely; this prevents soggy cake bottoms and ensures your custard won’t melt on assembly.
Step 2: Make the Pastry Cream Filling
This is where Boston Cream Pie truly shines: the lush, homemade pastry cream. In a saucepan, whisk together sugar, cornstarch, and egg yolks, making sure there are no lumps (a little muscle here goes a long way). Gradually whisk in the milk so you have a smooth mixture. Cook over medium heat, stirring constantly, until it thickens and bubbles—don’t rush this part! When it’s thick, remove from the heat, and stir in the butter and vanilla for creaminess and flavor. Pour the pastry cream into a bowl, press plastic wrap right onto the surface to stop a skin from forming, and chill it for at least an hour. The chilling allows it to set perfectly for slicing later.
Step 3: Assemble the Boston Cream Pie
Once your cake and pastry cream are cool, it’s assembly time! Place one cake layer on your serving plate, then evenly spread the chilled pastry cream to the edges—be generous but don’t let it spill over. Carefully set the second cake layer on top and press down ever so slightly to secure it. This glorious stack is already irresistible, even before the finishing touch.
Step 4: Make the Chocolate Glaze
Your crowning moment is here! Gently heat the heavy cream in a saucepan until it just begins to simmer—watch closely so it doesn’t boil over. Remove from heat and add chopped semi-sweet chocolate (add corn syrup if you want an extra glossy finish), then stir until the chocolate is completely melted and the glaze is smooth. Allow it to cool slightly so it thickens a bit, then pour the glaze over the cake, letting it elegantly drip down the sides. This step is incredibly satisfying to watch and turns your Boston Cream Pie into a true centerpiece.
Step 5: Chill and Serve
For the ultimate Boston Cream Pie experience, chill the assembled cake for at least an hour before slicing. This helps the pastry cream set and allows the flavors to meld together perfectly. Once chilled, your masterpiece is ready to dazzle!
How to Serve Boston Cream Pie

Garnishes
Sometimes, the best garnishes are simple and let the Boston Cream Pie’s flavors shine. A light dusting of powdered sugar, a few fresh berries, or delicate chocolate shavings on top can add both flair and a pop of color. If you want to amp up the elegance, try a few edible flowers or a swirl of whipped cream on each slice for a festive look.
Side Dishes
Boston Cream Pie is rich on its own, so lighter sides balance it beautifully. Offer a platter of fresh fruit—think strawberries or blueberries—or a scoop of tangy, lightly sweetened Greek yogurt. If you’re serving this at a celebration, a bubbly glass of Prosecco or a freshly brewed cup of coffee pairs perfectly to cut through the luxurious custard and chocolate layers.
Creative Ways to Present
Want to impress your guests? Try slicing the Boston Cream Pie into mini squares and serving them as petit fours, or make individual servings in clear glasses, layering cubes of sponge, pastry cream, and chocolate for a stunning parfait. You can even use cookie cutters to cut out playful shapes from the assembled cake for a holiday or kid’s party twist.
Make Ahead and Storage
Storing Leftovers
Boston Cream Pie keeps surprisingly well. Simply cover the cake tightly with plastic wrap or store slices in an airtight container in the refrigerator. It will stay fresh and delicious for up to three days, and some say the flavors get even better after an overnight rest!
Freezing
If you’d like to get ahead, you can freeze the unfilled cake layers for up to two months, tightly wrapped in plastic wrap and foil. The assembled Boston Cream Pie is best enjoyed fresh, as freezing can change the texture of the custard, but if absolutely needed, individual slices can be frozen and thawed in the fridge overnight.
Reheating
Boston Cream Pie is best served chilled, but if you’ve frozen individual slices, let them thaw in the fridge before enjoying. Avoid microwaving, as this may cause the custard to weep and the chocolate to lose its sheen; room temperature is your friend when bringing leftovers back to their prime.
FAQs
Why is it called Boston Cream Pie when it’s actually a cake?
The name comes from the dessert’s historical roots: cakes and pies were often baked in the same pans back in the 19th century, and Boston Cream Pie became its famous moniker even though it’s really a layered cake. Boston’s Parker House Hotel is responsible for making it legendary!
Can I use store-bought custard or pudding for the filling?
While homemade pastry cream gives the authentic Boston Cream Pie flavor and texture, you can absolutely use a high-quality store-bought vanilla custard or even instant pudding in a pinch. However, for the true magic, taking the time to make the filling from scratch is always worth it.
What can I substitute for heavy cream in the glaze?
If you don’t have heavy cream, try using whole milk, though the glaze will be a bit thinner and less rich. For a dairy-free option, canned coconut milk creates a lovely, luscious chocolate topping as well.
How do I get the pastry cream smooth with no lumps?
The secret is constant whisking over medium heat and pouring the hot milk gradually when first mixing. Pressing the finished pastry cream through a fine-mesh sieve before chilling also ensures an ultra-silky texture in your Boston Cream Pie.
Can I make Boston Cream Pie in advance?
Yes! The components can be made a day ahead. Assemble Boston Cream Pie the day you’re serving it, and let it chill to marry the flavors and textures. This makes it an outstanding dessert for gatherings and special occasions.
Final Thoughts
If you’re looking to wow your guests or just indulge in something delightfully classic, give Boston Cream Pie a try. There’s pure joy in every forkful—creamy, chocolatey, and just the right amount of nostalgia. You might just find it becomes a new favorite to bake (and share) any time you want to celebrate!
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Boston Cream Pie Recipe
- Total Time: 2 hours
- Yield: 10 servings 1x
- Diet: Vegetarian
Description
Indulge in the classic American dessert with this homemade Boston Cream Pie recipe. Moist vanilla cake layers sandwiched with rich pastry cream, all topped with a decadent chocolate glaze.
Ingredients
Cake:
- 1 cup granulated sugar
- 1/2 cup unsalted butter (softened)
- 2 large eggs
- 2 teaspoons vanilla extract
- 1 1/2 cups all-purpose flour
- 1 1/2 teaspoons baking powder
- 1/4 teaspoon salt
- 1/2 cup milk
Pastry Cream Filling:
- 2 cups whole milk
- 1/2 cup granulated sugar
- 1/4 cup cornstarch
- 4 large egg yolks
- 2 tablespoons unsalted butter
- 1 teaspoon vanilla extract
Chocolate Glaze:
- 1/2 cup heavy cream
- 4 oz semi-sweet chocolate (chopped)
- 1 tablespoon corn syrup (optional for shine)
Instructions
- Make the cake: Preheat oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. Cream sugar and butter, add eggs and vanilla. In another bowl, whisk flour, baking powder, and salt. Alternate adding dry ingredients and milk to the creamed mixture. Divide batter and bake for 20–25 mins. Cool on wire racks.
- Make the pastry cream: Whisk sugar, cornstarch, and egg yolks in a saucepan. Gradually whisk in milk, cook until thick. Remove from heat, add butter and vanilla. Chill for 1 hour.
- Assemble the pie: Place one cake layer on a plate, spread pastry cream, top with second cake layer.
- Make the glaze: Heat cream, add chocolate and corn syrup, stir until smooth. Pour over cake.
- Chill: Refrigerate for at least 1 hour before serving.
Notes
- Best served chilled.
- Can be made a day ahead and stored covered in the refrigerator.
- Prep Time: 30 minutes
- Cook Time: 25 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 420
- Sugar: 30g
- Sodium: 170mg
- Fat: 24g
- Saturated Fat: 13g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 1g
- Protein: 6g
- Cholesterol: 115mg