These are the ingredients. Don't mind the different colored sugar. Use brown sugar if you like richer flavor. Use white if you like lighter flavour.
Cut the sweet potato into small cubes and soak in water to remove any astringency.
If you add alum powder to the soaking water, it will enhance the colour of the potato. If not, just change the water several times.
Add baking powder to the flour and mix well. You don't need to sift the flour.
After soaking the potato for 30 minutes, pat dry well.
Sprinkle a pinch of salt and sugar and mix well with your hand. Leave to rest for about 20 minutes.
After the moisture comes out of the potato, add flour. This binds the steaming the potato cubes and the skins and prevents separation.
Do not discard the water. Just add flour and stir. Add milk and stir (use water if you prefer).
The moisture from the the potato contains will give a different texture to the mixture, but it will be quite thick. Adjust the texture by adding milk, water or flour.
Place the portioned mixture on to a piece of cooking sheet (parchment paper) on a steamer. Steam over high heat for 15 minutes.
If you don't have a steamer, refer to this recipe: http://cookpad.com/recipe/905980
Cool down quickly using a fan and...
Here are your steamed ogre manju! They become a little shiny after they've cooled down.
It is quite thick and sticky. A little different from steamed bread or normal manju.
You won't make a mess while you eat, so you can enjoy them in your car. You can give them as a gift. Wrap with cling film after it has cooled down.
Story Behind this Recipe
This is my dad's favourite. It is a traditional sweet snack. When you eat it, you'll taste the light and mild flavour. If you want to reheat it, microwave. After it has cooled down, wrap in cling film and give to your friends as a gift.
Sweet potatoes can be bitter tasting at times, so remove the bitterness by changing the soaking water several times. Pat dry well after soaking. These are quite different from fluffy steamed bread so you don't need to sift the flour or to worry if the mixture is over mixed.