Vegan Carrot Cake with Lemon Buttercream Icing

Serves: 10 Prep: 30_mins Cook: 30_mins


Indulge in our delightful Vegan Carrot Cake with Lemon Buttercream Icing. This moist and flavourful cake is generously topped with zesty lemon buttercream, creating a perfect balance of sweet and tangy flavors for a vegan-friendly treat.


For the carrot cake:

250g plain flour 

1 tsp baking powder

1 tsp bicarbonate of soda

½ tsp salt

2 tsp cinnamon

1 tsp nutmeg

300g light brown sugar

255g carrot, grated

2 tbsp ground flaxseed

6 tbsp hot boiled water

120ml Biona Raw Virgin Coconut Oil

1 tsp vanilla extract

1 tbsp Biona Apple Cider Vinegar

100g walnuts, chopped

100g raisins


For the buttercream icing:

480g icing sugar

112g plant-based butter

1 tsp vanilla extract

1 tsp Biona Apple Cider Vinegar

2-3 tbsp Biona Lemon Juice


For the topping:

Walnuts, chopped


  1. Preheat the oven to 180/160C fan. Cut parchment paper into two circles, to line two round 8-inch cake tins. You can do this by placing them on top of the paper, and drawing round them using a pencil. 

  2. Spray two 8-inch cake tins with non-stick spray and line the bottoms with the circles of parchment paper.

  3. Sift the flour into a mixing bowl and add the baking powder, bicarbonate of soda, salt, cinnamon and nutmeg. Mix together.

  4. Add the light brown sugar and grated carrot to the mixing bowl.

  5. Prepare the flax eggs by combining the ground flaxseed with the hot water in a small bowl. Let it sit for a minute to become gloopy.

  6. Add the flax eggs, coconut oil, vanilla extract, apple cider vinegar and chopped walnuts to the mixing bowl and mix everything together. If the mixture doesn’t come together or it is too dry, then leave it for 2 minutes before returning. The carrots will have released more moisture into the batter. allowing it to thicken.

  7. Divide the batter evenly between the two prepared cake tins.

  8. Bake for 30 minutes or until a toothpick inserted into the centre of one of the cakes comes out clean.

  9. Allow the cakes to cool in the tin for 5 minutes before transferring them to a wire cooling rack to cool completely.

  10. Meanwhile, create the buttercream icing. Add the icing sugar, vegan butter, vanilla extract, apple cider vinegar and 2 tbsp lemon juice to a bowl, and whisk until the icing is thick and smooth. If the icing is too thick, add in the extra tablespoon of lemon juice.

  11. Ice one of the cake halves, then place the other half on top. Ice the top of the cake and decorate with chopped walnuts. Slice and share with friends and family - perfect for any special occasion!

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