Rainbow Steamed Sponge Cake (彩虹椰奶鸡蛋糕)



As a blogger, it does not mean that I practically like every bake I prepared.. I have idea, I believed it can work, I tried, I think it will suit readers and I will share in my blog.


Rainbow cake is something that I do not really liked to toy with. Coming from an era where cakes are very monotonous in colour, I still not really can get used to eating cake that are too colourful..


I don’t eat does not mean that there is no market.. Rainbow cake is very trendy nowadays and have a huge industry.. My girl was given a free rainbow birthday cake during our celebration in a Japanese restaurant and she was so happy to see the birthday cake..


This is is not my first recipe to toy with colouring, I have a post on rainbow bread issued two years ago and I have also mentioned my justification of using permitted food colouring. If you want you can refer to this post:  How I Wish This World Is As Colourful As A Rainbow–Cranberries Raisins Rainbow Loaf . It was the same pack of colouring that I bought 2 years ago….


Since I want to play in colour, I will be heavy handed in the colour tone such that a bit contrast can be seen and hope that it will provide inspiration to bakers who need the recipe..


While I knew that most current trendy rainbow cakes are baked, but I have decided to use steaming instead. I have many recipes to choose from but I have decided to chose this recipe which is I like the cake’s  texture and taste.. Is This Cake Have Anything To Do With Puteri Radin Mas Ayu?–Puteri Ayu, Putu Ayu, Putri Ayu (椰丝小青糕)


This recipe will save bakers a lot of time. The taste will be coconut flavoured steamed sponge cake and it is OILLESS. It is spongy, aromatic and its dryness is compensated by big amount of coconut milk. If there is no coconut milk available, you can always used fresh milk to substitute.



Servings: Prepare a 5” square steamed cake


  • 200 grams of coconut milk or fresh milk
  • 200 grams of self raising flour
  • 150 grams of castor sugar
  • 50 grams of condensed milk
  • 4 eggs
  • Permitted food colouring 



  • Get ready a steamer with enough water that are adequate for steaming at least 45 minutes.

  • Lightly greased the baking tin and place a piece of baking paper at the bottom of the baking tin.

PicMonkey Collage1

  • Get ready seven similar bowls and put the seven colour of rainbows. Depending on your colouring gel condition, you may need to put 1 teaspoon of water to dissolve the gel. Set aside.

  • Beat the egg until foamy, add sugar tablespoon by tablespoon until pale and volume expands. Add the condensed milk and  coconut milk gradually and beat until well combined. Sift in the flour and use a spatula to fold the flour until well mixed.

PicMonkey Collage2

  • Divide the batter equally into 7 portions and place into the respective bowl. Stir until well combined. Place the violet layer into the baking tray and steamed for 10 minutes under medium heat. Ensure that there are no water condensation in the lid. Perform the same for the remaining 6 layers in the following order: Turquoise, blue, green, yellow, orange and red. The last layer shall be red coloured and before pouring into each layer, please ensure that the previous layers has already dries up . Cool completely before cutting or proceeding to cake decoration.



  • Depending on your understanding on your steamer’s heat circulation, do not use high heat to steam as it may resulted in wavy pattern and causing unevenness. In the even, the layer puffs up, use an icing smoother to press down and level the surface before pouring batter to the next layer.

  • Bang the baking tin on the table for 1-2 time to force all the air trapped in the batter.

  • To ensure even distribution of batter, you can weigh the batter and divide by 7. What I did is use a measuring cup to do the division. For each layer, it is about 1.5 cups.



Whether you will prepare this cake or not, I hope the pictures will cheer up your day.If you do not like colouring, rest be assured that the beige original colour cake is as tasty as it is .If you asked me if natural colouring can be used? I will tell you it is practically not very possible unless you can get natural ingredients that are able to provide all the seven colours and in powder form.. Otherwise, your cake will have a weird taste and texture. Of course you can try by altering the ingredients quantities after taking into additional liquid added from colour extraction or using puree of fruits  but that will be  a big assignment.


Hope you like the post today. Cheers and have a nice day.


food bloggers[4]

Food paradize[8]


  • If you are a Pinterest user and you are interested to have more recipes, you can join or follow this Pinterest Board set up by me  where there are more than 2600 recipes worldwide and pinned by various bloggers: FOOD BLOGGERS AND FOODIES UNITED PINTEREST BOARD.


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