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You are here: Home / All Recipes / Buttermilk Plum Cake (made Dairy-Free)

Buttermilk Plum Cake (made Dairy-Free)

September 16, 2019 Updated: September 16, 2019 By Leanne 40 Comments

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Pinterest image for Buttermilk Plum Cake.

Buttermilk Plum Cake is soft and tender with hints of cinnamon and ginger, along with spelt flour, juicy plums and dairy-free buttermilk. It’s made in one bowl and requires just 10 minutes prep time!

Overhead view of a buttermilk plum cake cooling on a wire rack.

I’ve had a string of pumpkin recipes on the blog lately, so I thought I’d throw a pop of colour into the mix with this super easy and delicious Buttermilk Plum Cake. I adapted this recipe from Clean Eating Magazine, and made a few simple swaps to make it dairy-free. It’s the ultimate fall cake with warming spices and juicy plums, and goes perfectly with a hot mug of tea.

So put the kettle on and I’ll quickly run through how to make this recipe!

Up-close view of sliced plumcots on a dark surface with backlight.

How do you make dairy-free buttermilk for this plum cake?

The original recipe from Clean Eating magazine called for buttermilk, but since I wanted to make this dessert dairy-free, I opted to make vegan buttermilk by combining almond milk and apple cider vinegar.

Making vegan buttermilk is super easy. For every one cup of buttermilk you need, just add one tablespoon of apple cider vinegar to the bottom of a one-cup measuring cup (I’ve also used lemon juice). Then fill the remainder of the cup with almond milk (or another dairy-free milk). Let it sit for five minutes to allow the vinegar to curdle the milk. Then, just use as required in your recipe.

What ingredients do you need to make this buttermilk plum cake recipe?

  • Plums (or plumcots)
  • Almond milk
  • Apple cider vinegar (ACV)
  • Extra virgin olive oil
  • Almond extract
  • Egg
  • Spelt flour
  • Cane sugar
  • Cinnamon and ginger
  • Baking powder and salt

Collage of images demonstrating how the buttermilk plum cake comes together in one bowl.

Making this simple plum cake – it’s a one bowl situation!

  • Pre-heat the oven to 350F and grease a 10-inch tart pan. A cake pan or springform pan will work too.
  • In a 2-cup measuring cup, add 1 1/2 tablespoons of ACV and fill the cup to the 1 1/2 cup line with almond milk. Let sit for five minutes.
  • In a large bowl, add the ACV/almond milk mixture, along with the oil, almond extract and egg. Whisk until combined.
  • Add your dry ingredients to the same bowl (sift if lumpy) and whisk together until well combined.
  • Slice each plum into eight wedges, leaving the skin on, and arrange on top of the cake. (They will sink into the batter a bit, and that’s okay). Sprinkle the top of the cake with cane sugar and bake for 35-40 minutes, or until a tooth pick inserted into the centre of the cake comes out clean.
  • Let cool completely before removing from the tart pan and cutting into slices.

Buttermilk plum cake batter in a round tart pan with plum slices arranged on top.

How do you store this buttermilk cake? Can you freeze plum cake?

This cake is best served the day it’s made while the plums are fresh and jammy. If you have leftovers, store them in an airtight container in the refrigerator and enjoy within 2-3 days. Since the cake has fresh fruit baked into the top and a high moisture content, it’s best not to store this cake at room temperature.

I placed a few slices in the freezer to see how the texture of the cake would hold up once it was frozen and thawed at room temperature. While the cake texture was fine, the plums were not jammy. So while you can freeze this cake in a pinch, I wouldn’t recommend it.

Up-close view of buttermilk plum cake batter in a tart pan with plums on top.

Some tips and substitutions for making buttermilk plum cake:

  • If you don’t have spelt flour, you can use whole wheat flour. Just note that the cake will be a little denser.
  • The recipe calls for cane sugar, but coconut sugar or granulated sugar will work too. With that said, if you opt to go with the sugar sprinkled on top, a course sugar, like cane or turbinado works best.
  • While I used plumcots in this recipe, which are a 50/50 mix of plums and apricots, you can use plums, apricots, pluots or apriums. Check out this brief article that explains the difference.
  • If you don’t have a 10-inch tart pan, this cake can be baked in a springform pan, regular cake pan or even a skillet. Just adjust the bake time slightly depending on the size of your pan.

Side view of buttermilk plum cake cooling on a wire rack.

Looking for other dairy free desserts? Check out these recipes on Crumb Top Baking:

  • Chai Spice Cake with Orange Cardamom Frosting. This snack cake has a spongy texture with warm spices and a light and citrusy coconut whip.
  • Vegan Pineapple Coconut Cupcakes. These are made with fresh pineapple and shredded coconut, and topped with a sweetened coconut whip.
  • Dairy-Free Frozen Peach Cream Pie. This pie has a creamy peach and banana filling and grain-free almond crust.

Pin this Buttermilk Plum Cake to make for dessert!

Up-close side view of a slice of buttermilk plum cake being pulled out of the cake.

If you make this Buttermilk Plum Cake, I would love to hear what you think in the comments below!

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Overhead view of a buttermilk plum cake cooling on a round wire rack on a dark surface.

Buttermilk Plum Cake (made Dairy-Free)

★★★★★ 5 from 15 reviews
  • Author: Leanne
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Total Time: 50 minutes
  • Yield: 12 slices
  • Category: Dessert
  • Method: Bake
  • Cuisine: Dairy-Free
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Description

Buttermilk Plum Cake is soft and tender with hints of cinnamon and ginger, along with spelt flour, juicy plums and dairy-free buttermilk. It’s made in one bowl and requires just 10 minutes prep time!


Ingredients

  • 1 1/2 tablespoons apple cider vinegar
  • 1 1/2 cups unsweetened almond milk (minus 1 1/2 tablespoons)
  • 3 tablespoons extra virgin olive oil
  • 1 teaspoon almond extract
  • 1 large egg, room temperature
  • 2 cups spelt flour
  • 1/2 cup + 1 tablespoon cane sugar, divided
  • 1 1/2 teaspoons baking powder
  • 1 1/4 teaspoons ground cinnamon
  • 1/2 teaspoon ground ginger
  • 1/2 teaspoon kosher salt
  • 4 plums or plumcots

Instructions

  1. Pre-heat oven to 350F and grease a 10-inch tart pan with cooking spray.
  2. In a 2-cup measuring cup, add the apple cider vinegar and almond milk. The mixture should measure 1 1/2 cups. Let sit for five minutes to allow milk to curdle.
  3. In a large bowl, add the vinegar/almond milk mixture, along with the oil, almond extract and egg. Whisk until combined.
  4. In the same bowl, add the flour, 1/2 cup cane sugar, baking powder, spices and salt. (Sift in dry ingredients if lumpy). Whisk together until well combined.
  5. Slice each plum into eight wedges, leaving the skin on, and arrange on top of the cake. Don’t worry if the plums sink into the batter. Sprinkle the remaining 1 tablespoon of cane sugar on top of the cake and bake for 35-40 minutes, or until a tooth pick inserted in the centre comes out clean.
  6. Let cool completely before removing from the tart pan and cutting into slices. While this cake is best served fresh, you can store any leftovers in an airtight container in the refrigerator and enjoy within 2-3 days.

Notes

  1. If you don’t have a 10-inch tart pan, you can use a springform pan or a regular cake pan. Just adjust the bake time slightly depending on the size of your pan.
  2. If you don’t have spelt flour, you can use whole wheat flour but it will result in a denser cake.
  3. The recipe calls for cane sugar, but coconut sugar or granulated sugar will work too. With that said, a courser sugar, like cane or turbinado, works best sprinkled on top.
  4. I used unsweetened almond milk to make the buttermilk, but you can use another type of dairy-free milk.
  5. While I used plumcots in this recipe, you can use plums, apricots, pluots or apriums, whatever you have available to you.

This recipe was adapted from Clean Eating Magazine’s Buttermilk Plum Cake.

Keywords: buttermilk cake, plum cake

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Filed Under: All Recipes, Dairy-Free, Desserts, Fall Recipes, Holiday Recipes

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Comments

  1. Kelly Neil says

    October 10, 2019 at 9:44 am

    This cake is gorgeous, and though I love love love buttermilk, I also love ACV! To me it’s one of the wonders of the food world! Lovely post and photos. xo.

    ★★★★★

    Reply
    • Leanne says

      October 30, 2019 at 10:22 pm

      Thanks Kelly!

      Reply
  2. Colleen says

    September 25, 2019 at 3:07 pm

    What a beautiful cake! I love using spelt flour, and the ginger and cinnamon are perfect with plums. A perfect fall dessert.

    ★★★★★

    Reply
    • Leanne says

      October 30, 2019 at 10:21 pm

      Thanks Colleen!

      Reply
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Meet Leanne

Hey there! I'm Leanne and welcome to Crumb Top Baking. I'm a self-taught baker, home cook and food photographer, and I'm passionate about sharing recipes that help people eat a little healthier and find balance in the recipes they prepare for themselves and their families. Learn more about me and what you'll find on Crumb Top Baking....

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