Friday, March 5, 2021

[Indonesian Recipes] Bingka Ubi Jalar - Sweet Potato Cake

Bingka is an easy cake and an instant pie! Let's learn how to bake this cake with a custardy sweet potato filling and a magically created crispy outer layer crust.



Ingredients to prepare Indonesian bingka ubi jalar (sweet potato cake): sweet potato, coconut milk, eggs, butter, all-purpose flour, vanilla, cinnamon, salt, and sugar.


Are you in the mood for a sweet potato pie but cannot muster the will to prepare a separate recipe for a pie crust followed with another recipe for the sweet potato filling? Then I got just the solution for you, try baking a bingka ubi jalar (Indonesian sweet potato cake) instead.

I will forever think of a bingka as a hassle-free, super easy, cheat version of a pie. A bingka cake batter is extremely easy to prepare, and at the end of the baking time, you will be greeted with a cake that has a magical outer crust encasing a soft custardy sweet potato filling. An instant pie!


How to prepare the cake batter for bingka ubi jalar: (1) Place steamed sweet potatoes, eggs, melted butter, coconut milk, vanilla, salt, sugar, and cinnamon into a blender. (2) Puree into a smooth batter. (3) Transfer to a mixing bowl and sift in all-purpose flour. (4) Fold with a spatula until well mixed.

What is a bingka cake?

Bingka (read: bing + car) is the traditional dessert of Banjar people, an ethnic group native to the South Kalimantan province of Indonesia. This dessert is made with flour, egg, coconut milk, and a main ingredient of choice.

I am using sweet potato as the main ingredient of choice in this recipe, but there are many other varieties of bingka too. Some other popular choices are cassava, fermented cassava (Indonesian: tape), pumpkin, kabocha, eggs, and pandan.


(Top) Pour the cake batter into a line and greased 8-inch round cake pan, and optionally garnish with toasted black sesame seeds. (Bottom) Freshly baked bingka ubi jalar (sweet potato cake) with it's signature slightly wrinkly top.

Ingredients for a bingka ubi jalar (Indonesian sweet potato cake)

We will need sweet potato, eggs, coconut milk, butter, all-purpose flour, vanilla extract, cinnamon powder, salt, and sugar. All are super common ingredients in all parts of the world, so everyone can enjoy this exotic Indonesian cake.

Bingka pan

Traditionally we bake a bingka cake in a special flower shaped cake pan, somewhat similar to a dancing daisy cake pan. But since it is impossible to get this exact bingka pan outside of Indonesia, I simply bake this cake in a round cake pan instead.

You can use either an 8” round pan or a 9” round pan. Both will take the same baking temperature, but the 9” cake will simply be thinner, and will bake slightly faster.


Wait until the cake is completely cool before cutting and serving.

How to bake a bingka


First, peel and cut sweet potatoes into wedges, then steam until fork tender and easily mashable.

Meanwhile, grease and line/flour an 8”x2” or a 9”x2” round cake pan and set aside. Also, preheat oven to 170 Celsius (340 Fahrenheit).

Place the steamed sweet potato wedges in a blender, along with eggs, sugar, coconut milk, melted butter, vanilla extract, salt, and cinnamon powder. Blend until smooth.

Transfer the sweet potato mixture into a mixing bowl. Add the flour and mix with a spatula until well combined. Pour into the prepared pan.

Bake in the oven for about 50 minutes to 1 hour. If using an 8” pan, it is more likely that the cake will need the whole hour.


A slice of bingka ubi jalar. The cake magically creates an outer crust encasing a soft and custardy sweet potato filling. The top crust may look wrinkly but that's the charm of the cake.

Interesting points regarding a bingka

1. Use a blender to prepare the batter

Bingka is the only cake I make using a blender instead of say, a food processor, or a mixer. I guess you can also use a food processor if you must, but if you harbor some deep dark fantasy about using a blender to make a cake, now would be the right time to turn it into a reality.

2. Wait until completely cool before slicing and serving

You can serve most cakes warm, or even right out from the oven. But you must wait patiently until a bingka is completely cool before slicing and serving.

When a bingka cake is just out from the oven, the center is usually still quite soft and gooey. Once the cake is completely cool, the center will harden, though it will still retain its custardy texture, it definitely won’t fall apart if you wait until cool to slice the cake.

3. No need for a cake tester


Since the center of the cake is most likely gooey even when it’s completely cooked, it is pointless to test for the doneness of the cake with a cake tester. You will only be guided with visual cues and your sense of smell.

When the cake is still in the oven, especially near the very end when it’s about to become fully cooked, you may notice that the cake rises quite dramatically in the oven, with the top portion making a dome shape like it’s going to explode.

Don’t worry though, once you take the cake out from the oven, the top part will deflate on its own and become slightly wrinkly and crunchy too. This is the magical crust of a bingka cake, and this outer crust gives a nice contrast to the dense and custardy inner filling.


Bingka ubi jalar is an easy version of a sweet potato pie. Although the batter looks wet like any other cake batter, the finished cake has an outer crust, while the center is filled with custardy sweet potato filling.

Bingka Ubi Jalar - Sweet Potato Cake


Author: Anita Jacobson
Categories: Dessert
Cuisine: Indonesian
Ingredients: Vegetables

Prep Time: 30 mins
Cook Time: 1 hour 30 mins
Total Time: 2 hours

Serves: 8

Ingredients



  • 375 gram sweet potato
  • 2 eggs
  • 50 gram sugar
  • 100 ml coconut milk
  • 50 gram melted butter
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon salt
  • 1/2 teaspoon cinnamon powder
  • 100 gram all purpose flour
Tools
  • a blender
  • an 8"x2" round cake pan or a 9"x2" round cake pan
Instructions

  1. Peel and cut sweet potato into wedges. Steam until fork tender and easily mashable.
  2. Meanwhile, grease and line/flour an 8”x2” or a 9”x2” round cake pan and set aside. Also, preheat oven to 170 Celsius (340 Fahrenheit).
  3. Place the steamed sweet potato wedges in a blender, along with eggs, sugar, coconut milk, melted butter, vanilla extract, salt, and cinnamon powder. Blend until smooth.
  4. Transfer the sweet potato mixture into a mixing bowl. Add the flour and mix with a spatula until well combined. Pour into the prepared pan.
  5. Bake in the oven for about 50 minutes to 1 hour. If using an 8” pan, it is more likely that the cake will need the whole hour.
  6. Remove from oven and let it rest for 15 minutes in the pan before taking it out. Cool the cake completely on a wire rack. Cut into 8 portions.
This recipe and image sources are referred in website: Dailycookingquest.com. Thanks so much!

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