Vegan Olive Oil Cake with Tahini Buttercream Frosting

Kelley Heyer

Test Kitchen-Approved

Vegan Olive Oil Cake with Tahini Buttercream Frosting on a pink cake stand
Serves
1 8-inch cake
Prep Time
30 minutes
Cook Time
40 minutes

This recipe was created by Kelley Heyer, which you can find on Instagram and TikTok. A cake that was created to help combat those overly sweet cakes. This cake is fresh, a little savory, with just the right amount of richness. Orange zest brightens up the base of the cake and then gets zested on top of the frosting for a garnish. You get a mix of sweet and savory thanks to the tahini buttercream frosting!


Ingredients

Vegan Olive Oil Cake

  • 8.75 ounces all-purpose flour
  • 1 teaspoon baking powder
  • 3/4 teaspoon kosher salt
  • 6 tablespoons JUST Egg (this is the recommended brand to use)
  • 8.75 ounces granulated sugar
  • Zest of 1/2 orange
  • 1/2 cup quality extra-virgin olive oil
  • 3/4 cup creamy oat milk (the thicker and creamier, the better)

Tahini Buttercream Frosting

  • 1 cup vegan butter - 2 sticks / 16 tablespoons (room temperature)
  • 2 1/2 cups powdered sugar, sifted
  • 1/2 cup tahini
  • 1 teaspoon kosher salt
  • 10 thyme sprigs, for decoration
  • Zest of 1/2 orange, for decoration
  • Pinch of flaky salt, for decoration

Directions

To make the cake

  • Step 1

    Preheat your oven to 350 F. Grease and line an 8-inch cake pan with parchment paper.

  • Step 2

    In a medium bowl, whisk together the flour, baking powder, and salt. Set aside.

  • Step 3

    In a large bowl, combine the JUST Egg, sugar, and orange zest. Mix until combined, for about 3 minutes.

  • Step 4

    Pour in your olive oil and mix until the oil is fully incorporated and the mixture is lighter and slightly fluffy.

  • Step 5

    Add in half your dry ingredients and fold until the dry is semi-incorporated, ensuring you aren't over-mixing.

  • Step 6

    Add all the milk and mix until incorporated. Repeat the process by adding in the remaining dry ingredients. Stop mixing once the flour has been incorporated.

  • Step 7

    Transfer the batter to the prepared cake pan and bake until the cake is golden brown. A toothpick or cake tester should come out with a few crumbs attached about 40 - 45 minutes. Transfer the pan to a cooling rack and let cool for 10 minutes, before removing from the cake pan and cooling completely.

To make the frosting

  • Step 1

    In the bowl of a stand mixer, cream the butter on medium-highi until very fluffy and the color has lightened. Add in salt.

  • Step 2

    Pour in the sifted powdered sugar, one cup at a time and carefully continue mixing.

  • Step 3

    Make sure your tahini is smooth and there's no lumps and then add the tahini to the bowl until well incorporated.

Decorating your cake

  • Step 1

    Add your cake to a cake stand after it's cooled completely.

  • Step 2

    You can add the frosting however you'd like, whether with a piping bag or using a spatula. Once done, add on some thyme sprigs throughout. Zest on additional orange zest. Sprinkle on top flaky salt. Enjoy!

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