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Just Beet It! Vegan Gluten-Free Red Velvet Cake
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4.88 from 8 votes

Just Beet It! Vegan Gluten-Free Red Velvet Cake

Beets are the magical touch in this moist, chocolaty, almost brownie-like vegan cake, but other than the vibrant red hue and rich texture they lend, you'll never know they're there! Oat flour stands in for all purpose, making this cake gluten-free. A thick vanilla icing with a cream cheese like tang gets slathered on top of the red velvet cake for an added touch of sweet decadence. The icing is refined-sugar-free and made from a combination of coconut butter, cashews, plant-based milk, maple syrup, vanilla, and apple cider vinegar. A small amount of coconut flour is whisked in to thicken and set the icing, yielding a spreadable, whipped consistency. For an extra touch of sweetness and pop of color, I recommend topping this cake with a sprinkle of mini chocolate chips and crushed freeze dried raspberries. 
Prep Time1 hr
Cook Time20 mins
Total Time1 hr 20 mins
Course: Cake, Dessert, Icing
Cuisine: Gluten-Free, plant-based, Vegan
Author: Ashley

Ingredients

Just Beet It Red Velvet Cake

  • 1 ¼ cups rolled oats
  • ¾ cup coconut palm sugar
  • ¼ cup cacao powder
  • 1 ½ teaspoons aluminum-free baking powder
  • ½ teaspoon fine sea salt
  • 6 ounces diced raw beets* (about 1 ½ medium beets and 1 cup diced)
  • 3 tablespoons virgin coconut oil, melted
  • 2 tablespoons natural unsalted almond butter (stirred well before measuring)
  • 2 tablespoons pure maple syrup, at room temperature
  • 2 teaspoons pure vanilla extract

Vanilla Cashew-Coconut Icing

  • ¾ cup raw cashews, soaked for at least 2 hours (preferably overnight) and drained
  • ½ to ¾ cup unsweetened almond milk or other plant-based milk, at room temperature
  • ½ cup melted coconut butter (it should be runny and pourable—see note**)
  • ¼ cup pure maple syrup, at room temperature
  • 2 teaspoons coconut flour
  • 2 teaspoons vanilla bean paste or the seeds scraped from 1 vanilla bean
  • 2 teaspoons apple cider vinegar (for a cream cheese like tang)
  • teaspoon fine-grain sea salt

Optional Toppings

  • Crushed freeze dried raspberries
  • Mini vegan chocolate chips
  • Coconut flakes

Instructions

For the Just Beet It Vegan Red Velvet Cake

  • Preheat the oven to 350F. Line an 8x8-inch square pan with parchment paper (double-check your pan size, because 9x9-inch won’t work for this recipe).
  • Add the rolled oats, coconut sugar, cacao powder, baking powder, and sea salt to a food processor fitted with the S-blade. Process for 4 minutes, or until the oats are finely ground and the texture of the mixture resembles flour. Transfer the flour mixture to a large mixing bowl and set aside.
  • Add the beets to the empty food processor and pulse 30 to 45 times, or until very finely grated, stopping to scrape down the sides as needed. The texture should resemble cous cous. Then, add the coconut oil, almond butter, maple syrup, and vanilla, and process for 30 seconds, or until nearly puréed, stopping to scrape down the sides as needed. (The texture should resemble watery applesauce.)
  • Add the puréed beet mixture to the oat mixture, and stir until incorporated and no flour patches remain in the bottom of the bowl. Do not over-mix. The mixture should resemble a very thick, somewhat fluffy batter that’s spoon-able but not easily poured.
  • Spoon the batter into the lined pan and use a spatula to gently smooth out toward the edges in an even layer. At first it will seem like there isn’t enough but just keep smoothing.
  • Bake for 18 to 24 minutes, or until the surface is crackled and a toothpick inserted into the center comes out mostly clean with several very moist crumbs clumped together at the tip. Do not over-bake. In fact, err on the side of slightly under-baking if you're unsure.
  • Transfer the pan to an oven-safe cooling rack and cool completely.

For the Vanilla Cashew-Coconut Icing

  • Get started on the icing as soon as the cake is in the oven.
  • Add the soaked cashews and ½ cup of the almond milk to a high-speed blender, and blend on high until smooth, stopping to scrape down the sides as often as needed. Only if absolutely needed, add the remaining almond milk (up to ¼ cup), 1 tablespoon at a time, as needed to blend the cashews until smooth. The texture should resemble thick cream.
  • Add the remaining icing ingredients and blend for 30 seconds, or until smooth, stopping to scrape down the sides as needed.
  • Scoop the icing into a shallow bowl and chill in the freezer for at least 15 minutes to thicken slightly. If you have the time, I recommend chilling for up to 1 hour and vigorously whisking every 10 to 15 minutes (to prevent freezing) until thick and fluffy.

To Assemble

  • Once the cake is completely cool, smooth as much of the icing as desired*** over the surface. I typically use about ¾ of the batch on top and reserve the remaining icing for those who want an extra slather while enjoying a piece of cake (my hand is raised).
  • Sprinkle with the toppings (if using).
  • If needed, freeze for 30 minutes to set the icing.
  • Once the icing is set to desired thickness, grasp the edges of the parchment paper to gently lift the cake from the pan, and use a sharp knife to slice. 
  • Serve and return any leftover cake to the pan.
  • Loosely cover the pan with foil, and store in the refrigerator**** for up to 3 days.

Notes

*For best results, weigh the beets after dicing to ensure you have exactly 6 ounces. **It's very important that the coconut butter is in a liquid state before blending. I find it’s easiest to make a fresh batch of homemade coconut butter and simply measure off ½ cup while it's still in a liquid state. However, store-bought coconut butter will yield a smoother icing because it's typically much smoother than homemade coconut butter. That said, store-bought coconut butter can be tricky to melt because it scorches and burns easily which leads to a seized, hardened texture. *** Extra icing can be refrigerated for up to 1 week or frozen for up to 1 month. ****Keep the cake chilled until just 5 to 10 minutes before serving to maintain the icing's thick, creamy texture.