Vegan Boston Cream Pie – Fluffy vanilla cake layers, a thick custard filling and chocolate ganache to top it off!

close up of boston cream pie with marble white background

Don’t let the name fool you, Boston Cream Pie is actually a cake and not pie at all! I’ve learned that the name originated back in the 1800’s when pie plates were the most common bakeware, and were often used to bake cakes.

The cake is made with 3 important parts:

While it may seem a little intimidating, it’s not that difficult to put together. Vegan Boston Cream Pie is a fabulous dessert that is sure to impress!

If you love the vanilla-custard-chocolate combination, make sure you check out my Vegan Boston Cream Donuts recipe as well!

piece of boston cream pie on a plate

How to make Vegan Boston Cream Pie

First, make your vegan vanilla cake layers.

While the cakes are baking, prepare the vegan custard, then chill it in the refrigerator. Once the cakes are done, let them cool completely. You can speed up the process by placing them in the refrigerator.

Take the chilled custard out of the refrigerator and use a mixer (or immersion blender) to make it smooth again, as it can get clumpy in the refrigerator.

Spread the thick custard onto the first cake layer, then place the other cake on top. Top with chocolate ganache.

ganache being poured onto cake

Frequently asked questions

  1. Does Boston Cream Pie need to be store in the refrigerator? Yes, store it in the refrigerator. The custard needs to stay cool, and will go bad if left out.
  2. Can I freeze the cake? Yes, you can freeze some or all of this cake. Wrap it very well to prevent freezer burn. Wait to freeze until the ganache has hardened.
  3. Can I make it gluten free? Substitute a quality gluten free flour mix in the cake layers to make it gluten free.
marble backdrop of cake with ganache and cream filling

More vegan cakes to love

taking a bite out of piece of cake
close up of cake with custard and chocolate
4.91 stars (11 ratings)

Vegan Boston Cream Pie

Vegan Boston Cream Pie – Fluffy vanilla cake layers, a thick custard filling and chocolate ganache to top it off!
Prep: 30 mins
Cook: 35 mins
Total: 1 hr 5 mins
Servings: 12 servings

Ingredients  

Chocolate Ganache

  • 1 cup vegan chocolate chips
  • 1/2 cup vegan creamer*
  • 2 tablespoons corn syrup, optional

Instructions 

  • Prepare vegan vanilla cake according to instructions. Let the cakes cool completely before filling with custard layer.
  • Prepare the vegan custard and let it chill in the refrigerator while the cakes cool, about an hour.
  • Once the cakes have cooled, remove the custard from the refrigerator and use a hand mixer, or stand mixer with whisk attachment and mix to make it smooth again. It can get a little clumpy while chilling.
  • Place one of the cake layers on a serving plate, then spread most of the thickened custard over the cake, saving 1/2 cup or a little more. Place the other cake layer on top and gently push down, just a little so it sticks.
  • To get the thick custard look from the outside of the cake, fill in any empty spots with more custard, using a butter knife. You could skip this part, it just makes the cake prettier for presentation. Spread it on smoothly, until it looks even all the way around.

Make the ganache

  • Place the chocolate chips and corn syrup in a medium bowl.
  • In a small pot, heat the vegan creamer until just simmering, then immediately pour it over the chocolate chips and corn syrup. Let sit for 2 minutes, then whisk or stir until smooth. You could also warm the creamer in the microwave for about 1 minute.
  • Let the ganache sit for 20 minutes until it thickens somewhat. You want it thick enough that it will just drip down the sides without being too runny.
  • Stir the ganache once more before pouring over the cake, spreading it gently to the edges. Let it drip down the sides. Slice and serve.

Notes

  1. You can use full fat coconut milk or cream, or even another non-dairy milk in place of vegan creamer, if desired. I used Silk Soy Creamer.
  2. Corn syrup is optional for the ganache, but it makes it very shiny and pretty, so don’t skip unless you have to.
  3. Refrigerate the cake until serving. It will last for about 2 days. You can freeze leftovers if it won’t get eaten before then. Make sure to cover it well so it doesn’t dry out.

Nutrition

Serving: 1of 12 servings | Calories: 400kcal | Carbohydrates: 52g | Protein: 5g | Fat: 18g | Saturated Fat: 4g | Sodium: 200mg | Potassium: 100mg | Fiber: 1g | Sugar: 25g | Vitamin A: 400IU | Calcium: 70mg | Iron: 2mg
Course: Dessert
Cuisine: American
Author: Nora Taylor
Did you make this recipe?Mention @nora_cooks_vegan_ or tag #noracooks!

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Comments

  1. Made this cake and it’s delicious! However, my cakes weren’t very thick and they were super soft and stuck to the plate a bit. I did add some food coloring but would that cause the issue? Were they underbaked? The toothpick came out clean… Or maybe too much nonstick spray? The taste is wonderful though!

    1. It sounds like the cakes weren’t quite ready to come out of the oven if they were really soft or gooey still. Your cake pans might not have been greased quite enough either. I like to grease the bottom and sides of the pan with oil or butter and lay a piece of parchment paper on the bottom to prevent sticking. Hope this helps!

  2. Very tasty. I used oatmilk. The custard didn’t really have enough structure to stay in the middle & kinda squeezed out. Just served it on the side. Also, the custard tasted even better the next day.

  3. Made this for my hubbys birthday and WOW it was the best cake I’ve ever made. Everyone loved it and asked to take an extra piece home with them!

    1. I’m so glad the pie was a hit for the birthday! Happy birthday to your husband! Thank you for sharing your wonderful feedback!

  4. My son surprised me with this cake for my birthday. Absolutely delicious!!! Thank you for posting the recipe. 

    1. Hi Rachel! Happy birthday to you! I am so glad the pie was delicious for you! Thank you for taking time to share your wonderful review!

  5. Hi

    I tried making this cake yesterday and everything turned out great but the cake had a bitter taste to it. Do you know why this would be. I followed the recipe exactly. 

    1. I’m not sure, but make sure you are using fresh baking powder, as sometimes that can cause a bitter taste if it’s old or you got a bad batch.

  6. Such a great recipe! I’m new to the vegan world and this tastes amazing! It’s moister than cakes I’ve made in the past with eggs and butter.

  7. My husband and son are not vegan  but have sensitive tummies. My daughter and I are vegan so most desserts are vegan. This one is a winner. It’s amazing and disappears rapidly 🙂 no Omni would even know! 

  8. Wow! I made this as my birthday cake this year, and it did NOT disappoint. My husband and I both loved it. The cream is perfect, the cake is light and fluffy, and the chocolate ties it all together. Yum! I will be making this again. Note: We didn’t have creamer or corn syrup, so I made the ganache with just chocolate chips and almond milk. Turned out just fine.

    1. Hi Liz. Happy birthday to you! I love the details of your comments! I’m glad you like the recipe. Thank you for sharing!

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