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Shiroi Koibito

Shiroi Koibito: Irresistibly Crisp Japanese Sandwich Cookies

Shiroi Koibito are iconic Japanese sandwich cookies with a buttery crispness filled with rich white chocolate.
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Prep Time 20 minutes
Cook Time 14 minutes
Total Time 34 minutes
Servings: 12 cookies
Course: Desserts
Cuisine: Japanese
Calories: 150
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Cookie Dough
  • 113 g unsalted butter bring to room temperature
  • 60 g powdered sugar sweetens the dough
  • 1 large egg white adds lightness
  • 60 g cake flour use low-protein flour
  • 8 g cornstarch enhances crispness
  • 0.5 teaspoon vanilla extract infuses warmth
For the White Chocolate Filling
  • 113 g white chocolate high-quality preferred
  • 85 g dark chocolate optional for contrast

Equipment

  • mixing bowl
  • Piping Bag
  • Baking Tray
  • double boiler or microwave

Method
 

Step-by-Step Instructions
  1. Beat 113g of unsalted butter until smooth and creamy, about 2 minutes.
  2. Gradually add 60g of powdered sugar and beat until light and fluffy, about 3-4 minutes.
  3. Mix in 1 egg white and 1/2 teaspoon of vanilla extract until silky, about 1-2 minutes.
  4. Sift together 60g of cake flour and 8g of cornstarch; fold into the wet mixture.
  5. Transfer dough to a piping bag and pipe 1.5-inch squares onto a lined baking tray.
  6. Preheat oven to 300°F (150°C) and bake cookies for 12-14 minutes until edges are light golden.
  7. Melt 113g of white chocolate and optional 85g of dark chocolate until smooth.
  8. Spread melted white chocolate on one cookie, top with another to assemble.

Nutrition

Serving: 1cookieCalories: 150kcalCarbohydrates: 20gProtein: 1gFat: 8gSaturated Fat: 5gPolyunsaturated Fat: 1gMonounsaturated Fat: 2gCholesterol: 15mgSodium: 50mgPotassium: 30mgSugar: 10gVitamin A: 150IUCalcium: 10mgIron: 0.5mg

Notes

Chill dough for 15-20 minutes if too warm. Store in an airtight container for up to 5 days.

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