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Fluffy Japanese Cotton Cheesecake Cupcakes

Light, jiggly, and cloud-like mini cheesecakes that melt in your mouth
Prep Time 25 minutes
Cook Time 30 minutes
Total Time 55 minutes
Servings 12

Ingredients
  

  • 200 g cream cheese softened
  • 50 g unsalted butter
  • 100 ml whole milk
  • 60 g cake flour or sifted all-purpose flour
  • 20 g cornstarch
  • 4 large eggs separated
  • 100 g granulated sugar divided
  • ½ tsp cream of tartar or lemon juice
  • 1 tsp vanilla extract

Instructions
 

  • Step 1: Prepare Oven & Pan
  • Line a 12-hole muffin tin with cupcake liners.
  • Preheat oven to 160°C (320°F).
  • Place a tray of hot water on the lowest rack for steam.
  • Step 2: Make the Cream Cheese Mixture
  • Over a simmering water bath, melt cream cheese, butter, and milk until smooth.
  • Remove from heat, whisk in yolks and vanilla.
  • Sift in flour + cornstarch, whisk until just combined.
  • Step 3: Whip Egg Whites
  • Beat egg whites with cream of tartar until foamy.
  • Gradually add sugar (about 70 g) and beat to stiff, glossy peaks.
  • Step 4: Fold Gently
  • Fold ⅓ of the whites into the cream cheese mixture to lighten.
  • Add remaining whites in two more additions, folding carefully.
  • Step 5: Bake
  • Divide batter into liners, almost to the top.
  • Place muffin tin on middle rack above the water tray.
  • Bake 25–30 minutes until golden and slightly jiggly.
  • Step 6: Cool Gradually
  • Turn off oven, leave door ajar 10 minutes.
  • Remove and cool fully before serving.

Notes

Always use a steam bath or cupcakes may crack.
Fold gently to keep the batter airy.
Don’t open the oven early—patience is key!