Cakes & Bakes: Sweet potato cake

Slice of home-made sweet potato cake | H is for Home

I think we’ve mentioned before that we often receive ‘food parcels’ from Justin’s mum when we visit on a Sunday. They usually contain some chocolate, cheese, crackers, vegetables and a treat for the dog. Generally, things she thought looked interesting on her shopping trips during the week.

Grated sweet potato | H is for Home

It often includes vegetables that she bought too many of, which was sweet potatoes this time around.

Vegetable oil, eggs and vanilla extract

I decided to incorporate them into a cake in just the same way you’d add carrot to carrot cake.

Folding flour into sweet potato cake mixture

Adding root vegetables to cakes isn’t immediately logical, but it really does work for any sceptics out there.

Pouring sweet potato cake batter into cake tins

We’ve made cakes with sweet potatoes, cassava and carrots in the past, you can even use beetroot and parsnips.

Cooked sweet potato cakes

The raw, grated sweet potato adds a moist sweetness and depth of flavour.

Frosted sweet potato cake

This sweet potato cake recipe also includes chopped walnuts and mixed ground spices, finished with a delicious cream cheese frosting.

Sweet potato cake with a slice removed

It’s a substantial yet light cake – the perfect afternoon pick-me-up.

Click here to pin this recipe for later!

Sweet potato cake
For the cake
  1. 350g plain flour
  2. ¼tsp ground cloves
  3. 2tsp ground cinnamon
  4. 1¼tsp ground ginger
  5. ½tsp ground nutmeg
  6. 1tsp baking powder
  7. 1tsp bicarbonate of soda
  8. ½tsp salt
  9. 350g sweet potatoes, peeled & grated (about 3 small potatoes)
  10. 235ml vegetable oil
  11. 300g soft brown sugar
  12. 4 eggs
  13. 1tsp vanilla extract
  14. 100g chopped walnuts
For the frosting
  1. 225g cream cheese
  2. 115g butter, softened
  3. 175g icing sugar
  4. ½tsp vanilla extractHome-made hot cross loaf ingredients
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For the cake
  1. Preheat the oven to 175ºC/350ºF/Gas mark 4 and grease a pair of 23cm/9-inch circular loose-bottomed cake tins
  2. In a medium-sized mixing bowl, sift together the flour with the ground spices, baking powder, bicarbonate soda and salt
  3. In a large mixing bowl, add the grated sweet potato, vegetable oil and sugar and combine
  4. In a measuring jug lightly whisk the eggs before adding the vanilla extract. Stir to mix in
  5. Stir in the egg mixture to the sweet potato in 3 batches, stirring well after each addition
  6. Carefully fold the flour mixture into the sweet potato mixture
  7. Add the chopped walnuts and stir in so they're well dispersed through the batter
  8. Pour the batter equally between the two cake tins before baking for 20 minutes in the centre of the oven
  9. After the 20 minutes, turn the oven down to 150ºC/300ºF/Gas mark 2 and cook for a further 10 minutes or until a skewer inserted into the middle of a cake come out clean
  10. Allow to cool on a wire rack for 15 minutes before taking the cakes out of their tins
  11. Allow to cool completely (at least another hour). Make the frosting.
For the frosting
  1. Mix the cream cheese and softened butter until there are no lumps
  2. Add the vanilla essence and icing sugar (sieve the sugar first if there are any lumps) and mix thoroughly. Cover with clingfilm and store in the fridge until the cakes have cooled and are ready to frost
  3. Once cooled, turn one of the cakes over so that the top is face down on a serving plate. Cover the top generously with frosting.
  4. Place the second cake on the first, with the top facing up. Cover the top generously with frosting. Serve. The cake will keep for up to 5 days in the fridge.
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