Smash Cake Mini Matcha Birthday (Print View)

Light, fluffy mini matcha smash cake with vanilla frosting—perfect for brunch celebrations and sharing.

# What You’ll Need:

→ For the Matcha Cake

01 - 3/4 cup (95 g) all-purpose flour
02 - 1/2 cup (100 g) granulated sugar
03 - 1/2 tsp baking powder
04 - 1/8 tsp baking soda
05 - 1/4 tsp salt
06 - 1 tbsp matcha powder (culinary grade)
07 - 1/3 cup (80 ml) whole milk, room temperature
08 - 1 large egg, room temperature
09 - 1/4 cup (60 ml) vegetable oil
10 - 1/2 tsp vanilla extract

→ For the Vanilla Frosting

11 - 1/4 cup (55 g) unsalted butter, softened
12 - 3/4 cup (90 g) powdered sugar, sifted
13 - 1 tbsp milk
14 - 1/2 tsp vanilla extract
15 - Pinch of salt

→ Optional Toppings

16 - Sprinkles or fresh berries, for decoration

# Method:

01 - Preheat oven to 350°F (175°C). Grease and line two 4-inch (10 cm) round cake pans.
02 - In a medium bowl, sift together flour, sugar, baking powder, baking soda, salt, and matcha powder.
03 - In another bowl, whisk together milk, egg, oil, and vanilla extract.
04 - Add the wet ingredients to the dry ingredients and gently mix until just combined. Do not overmix.
05 - Divide the batter evenly between the prepared pans. Smooth the tops. Bake for 15–20 minutes, or until a toothpick inserted in the center comes out clean.
06 - Let cakes cool in the pans for 5 minutes, then turn out onto a wire rack to cool completely.
07 - For the frosting: Beat softened butter until creamy. Gradually add powdered sugar and beat until light and fluffy. Beat in milk, vanilla, and salt until smooth.
08 - Spread frosting between the layers, stack, and cover the outside with a thin layer of frosting. Decorate with sprinkles or berries as desired.
09 - Serve as a fun brunch treat—perfect for smashing or enjoying by the slice!

# Expert Advice:

01 -
  • This cake is so easy and foolproof even half-awake brunch cooks can manage a spectacular result.
  • The matcha gives it that fun color and subtle flavor pop that impresses adults and kids alike.
02 -
  • If your cakes dome too much on top, trim them with a serrated knife for even stacking—I’ve learned this the messy way.
  • I once skipped sifting the matcha and ended up with green flecks, so take the extra minute to get it right for a smooth batter.
03 -
  • Always make sure your cakes are completely cool before frosting—impatience is the number one culprit for sliding layers.
  • Sifting all your dry ingredients, especially the matcha, is the secret to a silky cake.
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