Pumpkin celebration cake recipe
 Need a colourful cake for a party? Nadiya has got it covered with this simple pumpkin cake. 525ml/18fl oz vegetable oil525g/1lb 3oz soft light brown sugar9 large free-range eggs, beaten420g/15oz pumpkin (or butternut squash), grated300g/10½oz raisins3 oranges, finely grated zest only1 tsp bicarbonate of soda or 3 tsp baking powder4 tsp mixed ground spices (such as cinnamon, star anise, cardamom and nutmeg)525g/1lb 3oz self-raising flour 525ml/18fl oz vegetable oil 525g/1lb 3oz soft light brown sugar 9 large free-range eggs, beaten 420g/15oz pumpkin (or butternut squash), grated 300g/10½oz raisins 3 oranges, finely grated zest only 1 tsp bicarbonate of soda or 3 tsp baking powder 4 tsp mixed ground spices (such as cinnamon, star anise, cardamom and nutmeg) 525g/1lb 3oz self-raising flour 450g/1lb butter, softened, plus extra for greasing900g/2lb icing sugar, siftedorange and yellow edible marigolds (or other bright edible flowers), to decorate 450g/1lb butter, softened, plus extra for greasing 900g/2lb icing sugar, sifted orange and yellow edible marigolds (or other bright edible flowers), to decorate Method Preheat the oven to 180C/160C Fan/Gas 4. Grease and line three loose-bottomed round tins, 20cm/8in, 18cm/7in and 15cm/6in in diameter.Mix together the oil and sugar until combined. Slowly mix in the eggs. Add the pumpkin, raisins and orange zest and mix well. Sieve together the bicarbonate of soda, spices and flour. Gradually add this mixture to the pumpkin mixture until fully incorporated. Pour into the prepared tins until they are a little over halfway up.Bake in the centre of the oven. The 15cm/6in cake should take 25 minutes, the 18cm/7in cake should take 35 minutes and 20cm/8in should take 45 minutes. Test if each cake is cooked by checking if a skewer inserted into the middle comes out clean. Remove from the oven and leave to cool. For the icing, whisk together the butter and icing sugar until combined. Once the cakes have cooled, cover the cakes with the icing. Stack the cakes and decorate with flowers. Preheat the oven to 180C/160C Fan/Gas 4. Grease and line three loose-bottomed round tins, 20cm/8in, 18cm/7in and 15cm/6in in diameter. Preheat the oven to 180C/160C Fan/Gas 4. Grease and line three loose-bottomed round tins, 20cm/8in, 18cm/7in and 15cm/6in in diameter. Mix together the oil and sugar until combined. Slowly mix in the eggs. Add the pumpkin, raisins and orange zest and mix well. Mix together the oil and sugar until combined. Slowly mix in the eggs. Add the pumpkin, raisins and orange zest and mix well. Sieve together the bicarbonate of soda, spices and flour. Gradually add this mixture to the pumpkin mixture until fully incorporated. Pour into the prepared tins until they are a little over halfway up. Sieve together the bicarbonate of soda, spices and flour. Gradually add this mixture to the pumpkin mixture until fully incorporated. Pour into the prepared tins until they are a little over halfway up. Bake in the centre of the oven. The 15cm/6in cake should take 25 minutes, the 18cm/7in cake should take 35 minutes and 20cm/8in should take 45 minutes. Test if each cake is cooked by checking if a skewer inserted into the middle comes out clean. Remove from the oven and leave to cool. Bake in the centre of the oven. The 15cm/6in cake should take 25 minutes, the 18cm/7in cake should take 35 minutes and 20cm/8in should take 45 minutes. Test if each cake is cooked by checking if a skewer inserted into the middle comes out clean. Remove from the oven and leave to cool. For the icing, whisk together the butter and icing sugar until combined. For the icing, whisk together the butter and icing sugar until combined. Once the cakes have cooled, cover the cakes with the icing. Stack the cakes and decorate with flowers. Once the cakes have cooled, cover the cakes with the icing. Stack the cakes and decorate with flowers. Recipe tips To make one 21cm/8.5in cake, halve all of the ingredients and use 5 medium eggs. You may need to increase the cooking time to 50 minutes.