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Matcha Hidden Heart Cake

A surprise of green matcha hearts appears in the middle of this delicious pound cake.
Course Dessert
Cuisine American, Asian
Prep Time 2 hours
Cook Time 1 hour 15 minutes
Total Time 3 hours 15 minutes
Servings 12
Calories 325kcal
Author Michelle | Sift & Simmer

Ingredients

Matcha Heart Cake:

  • 3 egg yolks
  • 30 g granulated cane sugar
  • 30 g avocado oil or any light vegetable oil
  • 30 ml whole milk or non-dairy alternative
  • ½ teaspoon vanilla extract
  • 45 g cake flour sifted
  • 15 g matcha sifted
  • 3 egg whites room temperature
  • ¼ teaspoon cream of tartar or ¼ teaspoon lemon juice
  • 30 g granulated cane sugar

Vanilla Pound Cake:

  • 4 egg whites room temp
  • ¼ teaspoon cream of tartar or use ¼ teaspoon lemon juice / vinegar
  • 50 g granulated sugar
  • 140 g salted butter room temp
  • 100 g granulated sugar
  • 4 egg yolks room temp
  • 45 ml whole milk room temp
  • 4 ml vanilla extract
  • 155 g all-purpose flour
  • 20 g cornstarch
  • 3 g baking powder

Instructions

Make the Matcha heart cake:

  • Prepare a 9" by 13" baking tray with parchment paper.
  • Separate the egg whites from the egg yolks into 2 different bowls (one for egg whites and one for egg yolks).
  • Tip: ensure your bowl for beating the egg whites is clean, with no traces of oil. Give the bowl and whisk a quick wipe with paper towel and a bit of lemon juice or vinegar prior to adding the egg whites.
  • Preheat the oven to 375°F/191°C.
  • Combine the egg yolks with 30g sugar and whisk together. Add in the oil, milk, vanilla extract and whisk again.
  • Sift in the cake flour and matcha over top of the egg yolk mixture and fold gently to combine, until there are no lumps. Set aside.
  • In a clean stand mixer bowl fitted with a whisk attachment, add the room temperature egg whites.
  • Turn on the mixer on low speed.
  • Once the egg whites become foamy with bubbles, add in a ¼ teaspoon cream of tartar (or lemon juice/vinegar).
  • Gradually increase the speed of the mixer, and slowly pour in the granulated sugar.
  • Continue to whip the egg whites until fluffy, shiny and reaches a soft peak. (The egg whites will form a curved tail at the end of the whisk).
  • Using a spatula, fold about ⅓rd of the egg whites into the egg yolk batter. This will help to loosen up the egg yolk batter.
  • Note: Folding is different than stirring. It takes a lighter hand to not deflate the whipped egg whites. To fold, take the spatula to the bottom of the mixture, and scoop up (a slow flick of the wrist) while turning the bowl about 90 degrees. Continue to turn the bowl and fold until the mixture is almost homogeneous.
  • Add the next 3rd of the egg white mixture, and continue to fold until the egg whites are incorporated into the batter, but be sure not to overfold or the egg whites will be deflated.
  • Transfer the cake batter to a 9″ by 13″ baking tray lined with parchment paper.
  • Give the tray a few taps to release any trapped air bubbles.
  • Bake at 375°F/191°C for 14-15 minutes, until the cake surface is dry to the touch.
  • Remove the cake from the oven and immediately drop it from a height of 1′. This prevents the cake from shrinkage.
  • Let the cake cool on a cooling rack for 10-15 minutes.
  • Use a 2" heart cutter (or any cookie cutter that you like) to cut out shapes from the cake. Set aside.
    Cut out matcha cake hearts.

Make the Vanilla pound cake:

  • Separate the egg yolks and egg whites into 2 different bowls.
  • Preheat oven to 350°F/177°C. Line a 8" by 4" loaf pan with parchment paper.
  • In a clean stand mixer bowl fitted with a whisk attachment, add the egg whites and whip until foamy. Add in the cream of tartar and keep beating until lots of bubbles form.
  • Gradually add in the ¼ C (50g) of granulated sugar and whip until stiff peaks. (Peak will be straight when whisk is lifted).
  • Remove the whipped egg whites and transfer to a large clean bowl. Set aside.
  • Using the same mixer bowl, change to a paddle attachment and add in the butter and sugar.
  • Cream until light and fluffy, about 2-3 minutes on high speed.
  • Gradually add in the egg yolks one by one, and then slowly add the milk and vanilla extract. Beat until combined. (A little curdling is fine).
  • Remove the mixer bowl and sift about ⅓rd of the dry ingredients (flour, cornstarch, matcha, and baking powder) over the egg yolk batter.
  • With a spatula, fold the dry ingredients into the mixture and alternate with ⅓rd of the whipped egg whites, repeating until everything is combined together and there are no white streaks left, but making sure not to overmix as to deflate the batter.
  • Transfer about 200g (or ⅓rd) of the cake batter to the lined loaf pan.
  • Line the cut out matcha heart cakes in the centre of the loaf pan.
    Matcha cake hearts lined in cake pan
  • Add the remaining cake batter to cover the hearts.
  • Carefully tap the pan a few times to release any trapped air bubbles.
  • Bake at 350°F/177°C for 55-60 mins, until golden brown on top, or until a toothpick inserted comes out clean, or with the slightest crumbs clinging to it.
  • Let cool completely before slicing.

Nutrition

Calories: 325kcal | Carbohydrates: 39g | Protein: 7g | Fat: 15g | Saturated Fat: 7g | Trans Fat: 1g | Cholesterol: 140mg | Sodium: 147mg | Potassium: 100mg | Fiber: 1g | Sugar: 18g | Vitamin A: 516IU | Calcium: 43mg | Iron: 2mg