This Gluten-Free Vegan Orange Cake is moist and fluffy, fresh and citrusy and filled with a rich buttercream! It comes together in one bowl and is refined sugar free too. Perfect for Christmas, birthdays, Mother's Day, baby showers and bridal showers!
As this Gluten-Free Vegan Lemon Drizzle Cake has been so popular, I decided it was time to make another simple citrus cake, this time using oranges. Inspired by my Gluten-Free Vegan Vanilla Cake, this is a simple orange-infused sponge with a simple orange-infused buttercream.
Tips for baking with oranges
- I used my go-to sponge cake recipe, but added orange zest and substituted some of the milk with orange juice. This adds natural sweetness and also enhances the orange aroma, and simultaneously tangy and nectar-like flavour.
- You can either use freshly squeezed orange juice, or orange juice from a carton.
- If you prefer a stronger orange flavour in the sponge, you can add some more orange extract to the cake batter - instructions in recipe notes.
- For the frosting, I used my favourite cashew-based buttercream recipe, but used orange juice instead of water or milk.
- If you prefer a stronger orange flavour in the frosting, you can add a couple of drops of orange extract to the buttercream - see recipe notes for instructions.
How to make the cake
Scroll down to the bottom of the post for the full recipe.
- Mix together all the ingredients in a glass mixing bowl.
Tip: Use a measuring jug to measure out the plant-based milk and orange juice.
- Transfer into two 18 cm / 7 inch sandwich baking tins.
Tip: Line the tins with greased baking paper to make the sponges easier to remove afterwards.
- Bake in the oven for 15 minutes.
- Transfer onto a cooling rack and leave to cool completely before applying the frosting.
How to make the orange buttercream frosting
- Place soaked cashew nuts, maple syrup and orange juice in a food processor.
Tip: Make sure the cashew nuts are soaked to make them easier to blend. Soak them overnight in cold water or in boiling water for at least 15 minutes.
- Whizz until completely smooth.
Tip: You will have to mix it around a few times to make it easier to blend up.
How to frost the cake
- Place one of the sponges on a cake stand or a plate and apply just less than half of the frosting onto it - you can use a palette knife for frosting for this.
- Place the other sponge on top and apply the frosting on the top and sides of the cake.
- Decorate as desired.
How long does this Orange Cake keep for?
This Orange Cake tastes best fresh, but keeps covered in the fridge for up to a few days.
Substitutions you can make
- You can use any type of oil: coconut oil, olive oil or vegetable oil.
- The orange juice can be freshly squeezed or from a carton.
- The orange zest can be replaced with orange extract.
- You can use any type of plant-based milk: almond milk, rice milk, soy milk, cashew milk, oat milk etc.
- You can use any type of liquid sweetener: maple syrup, agave syrup, brown rice syrup etc.
- You can replace the ground almonds (almond meal) with ground walnuts.
- For a nut-free version: replace the ground almonds (almond meal) with ground sunflower seeds or use 30g (¼ cup) coconut flour instead of 150g (1 ¼ cup) ground almonds.
- You can use plain flour, wholemeal (whole wheat) flour or spelt flour instead of the gluten-free flour if you're not gluten-free.
More gluten-free vegan cake recipes
- Tropical Carrot Cake
- Lemon Blueberry Cake
- Cherry Bakewell Cake
- Matcha Strawberry Cake
- Chocolate Cake
- Coconut Cake
- Strawberry Cake
- Black Forest Cake
- Red Velvet Cake
- Peanut Butter Chocolate Cake
- Lemon Pound Cake
If you try out this recipe or anything else from my blog, I’d really love to hear any feedback! Please give it a rating, leave a comment, or tag a photo @rhiansrecipes #rhiansrecipes on Instagram! Thank you.
Watch how to make this recipe
Gluten-Free Vegan Orange Cake
Ingredients
For the cake:
- 60 g (¼ cup) coconut oil (or sub olive or vegetable oil)
- 60 ml (¼ cup) orange juice (freshly squeezed or from a carton)
- 150 ml (⅔ cup) unsweetened almond milk (or any other plant-based milk)
- 2 tablespoons orange zest (use unwaxed oranges - or sub 2 teaspoons orange extract) *
- 1 teaspoon vanilla extract
- 8 tablespoons maple syrup (or sub any other sweetener)
- 150 g (1 ¼ cup) ground almonds (almond meal) **
- 150 g (1 ¼ cup) gluten-free flour blend (or sub plain flour if not gluten-free)
- 2 heaped teaspoons baking powder (ensure gluten-free if necessary)
- ¼ teaspoon bicarbonate of soda (baking soda)
For the buttercream*:
- 100 g (⅔ cup) raw cashew nuts soaked in cold water overnight or in hot water for 15 minutes
- 2 tablespoons maple syrup (or sub any other sweetener)
- 4 tablespoons orange juice
To decorate (optional):
- Clementine segments
Instructions
For the cake:
- Preheat oven to 180 degrees Celsius (350 degrees Fahrenheit).
- Place the coconut oil in a large bowl and melt over a saucepan of boiling water or in the microwave (skip this step if using any other oil).
- Once melted, add the orange juice to the same bowl along with the milk, orange zest, vanilla, maple syrup and ground almonds.
- Sift in the flour, baking powder and bicarbonate of soda.
- Mix well, adding a tiny splash more milk if it’s looking too dry.
- Transfer mixture between two greased baking tins lined with baking paper (I used two 7inch/18cm baking tins).
- Bake in oven for around 15 minutes until risen and an inserted skewer comes out clean.
- Once done, turn the cakes out onto a wire rack and leave to cool completely before frosting.
For the buttercream:
- Drain soaked cashews and add to a food processor or blender with all the other ingredients.
- Whizz until completely smooth, adding more orange juice if necessary.
To frost and decorate the cake:
- Place one half of the cake onto a plate or cake stand, and spread just less than half of the frosting onto it.
- Place the other half of the cake on top of that and use rest of the frosting to spread on top and around the sides of the cake.
- Decorate with clementine segments, if desired.
- Tastes best when fresh but keeps covered in the fridge for up to a few days.
Video
Notes
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Claire
Hi Rhian I just wanted to say I am Sooooooo glad i have found your blog as I have been trying to convert so many recipes to make them Gluten,dairy,egg free for so long and failing miserably. Now I don't have to worry as your recipes are just perfect and I now have a long list of ones I want to try. My question about the orange cake is can I sub oranges for lemons but bake it the same with the buttercream filling but a Lemon cake and lemon filling instead of the orange? I've seen your lemon drizzle but fancy a filling like your orange cake. Would this work as a direct swap for lemons? Maybe extra Lemons as they're smaller than oranges? I'm going to try it as my birthday cake this year!
Rhian Williams
Hi Claire, thank you so much for your comment. I'm so glad you've found my blog too and hope you'll like my recipes! Yes you can sub oranges for lemons no problem. I think it wouldn't be a problem to just substitute with the same amounts as although lemons are smaller, they are more acidic than oranges, but you could taste test as you go and add extra if you think it's necessary. Hope that helps! Thanks again!
Evreena
Hi Rhian!Im am very interested in this recipe but i have a question,if i only make the cake into cupcakes with no frosting,how many calories would there be?
Rhian Williams
Hi, thank you! This recipe will make 12 cupcakes and each cupcake (without frosting) will be around 200 calories. Hope that helps!
Sun
This cake recipe is great and easy to make.
And anyone could make it!
Rhian Williams
Aw yay thank you so much!
Justice D
Where would be best to store this and for how long, before it goes bad?
Rhian Williams
It keeps covered in the fridge for up to a few days!
Zoe
Hello! This recipe looks amazing, but I don't have any nut flours. Could I sub for more gluten-free flour?
Rhian Williams
Thank you! No sorry that doesn't work unfortunately! The almonds can be substituted with ground walnuts or ground sunflower seeds.