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Green Tea Bubble Cream filled Cupcakes with Green Tea Cream Cheese Frosting

green tea cupcakes
I kept these cupcakes fairly simple. They were for a friend’s birthday and I was making them mid-week, so I had little time for fuss or experimentation. I did come up with this “green tea bubble cream” recipe and while it wasn’t 100% successful, the end result was more than acceptable as a cupcake filling. The green tea cream cheese frosting was yummy as expected.

When planning these cupcakes out, I did start to research vanilla cupcakes in a bit more depth as I want to develop a couple of my own vanilla cupcake recipes. While researching existing recipes, I did notice a couple of interesting facts. Firstly, the Magnolia vanilla cupcake recipe and Billy’s vanilla cupcake recipe are nearly identical in proportions with the exception of Billy’s recipe using some cake flour in place of all-purpose and a lot more baking powder. Martha Stewart’s recipe on the other hand had very different proportions with 50% more eggs, 50% more milk and slightly more flour. Lastly, Amy Sedaris’s and Claire Crespo’s recipes are very similar, but on the opposite end of the spectrum than Martha’s with proportionally less eggs. Interesting… I plan to test as many of them as possible (and to research more). Look for that in a hopefully near future post.

Green Tea Bubble Cream (or Tapioca Pudding)

1/4 cup small pearl tapioca
1 cup whole milk
1/2 13.5 ounce can coconut milk
pinch salt
1 egg yolk
1/4 cup of sugar
2 teaspoons matcha green tea

1. Cover the tapioca pearls in warm water in a bowl and let sit on the counter for 20 minutes. Drain the pearls.
2. Heat milk, coconut milk, salt, and pearls over medium-high heat until boiling.
3. Reduce heat to low and continue cooking, stirring regularly, until tapioca are translucent and chewy, approximately 3-5 minutes.
4. While milk and tapioca are coming to a boil, whisk egg yolks in a small bowl and gradually add sugar. Add matcha and whisk together.
5. Add a small amount of the heated milk mixture to the egg mixture, whisking continuously. (An extra set of hands can be helpful.)
6. Pour the egg mixture back into the milk mixture and continue to heat over medium-low heat, stirring constantly until slightly thickened, about 5 minutes.
7. Transfer to a heat proof bowl. Let sit at room temperature until cool. Cover with plastic wrap and transfer to the refrigerator until cold, about 1-2 hours or overnight.

Note: The end result is not very sweet. If you like things on the sweet side, I recommend upping the sugar to 1/3 cup. I would if I make this again.

green tea bubble cream
green tea bubble cream

~28 regular cupcakes / 350 degree oven

1 cup (2 sticks) unsalted butter, room temperature
2 cups sugar
4 large eggs
2-3/4 cups all-purpose flour
1-1/2 teaspoons baking powder
1/8 teaspoon salt
1 cup milk
1 teaspoon vanilla

1. Beat butter on high until soft, about 30 seconds.
2. Add sugar. Beat on medium-high until light and fluffy, about 3 minutes.
3. Add eggs one at a time, beat for 30 seconds between each.
4. Whisk together flour, baking powder, and salt in a bowl. Add to mixer bowl. Add the milk and vanilla. Mix to combine.
5. Scoop into cupcake papers about half to two-thirds full (depending on whether you want flat or domed cupcakes).
6. Bake for 22-25 minutes until a cake tester comes out clean.

Green Tea Cream Cheese Frosting

12 ounces or 1-1/2 packages of Philly cream cheese
1/2 stick butter
4 cups sifted powdered sugar
1 tablespoon matcha green tea powder
1 teaspoon vanilla

1. Bring cheese and butter to room temperature by letting it sit out for 1 or 2 hours
2. Sift powdered sugar into a bowl or onto parchment
3. Beat butter and cheese at medium speed until creamy
4. Add half of the sugar, the green tea powder, and the vanilla. Beat until combined.
5. Gradually add remaining sugar (more if you have to) until you get to the consistency and sweetness you like.

1. Fill cupcakes using the cone method or any other method.
2. Frost and decorate as desired.

green tea cupcake
topped with fondant disks