Molten Cookie Dough Cupcakes

Bahan-bahan (12 porsi)

• 2 and 1/4 cups (281g) heat-treated all-purpose flour* (spooned & leveled)
• 2 and 1/4 teaspoons cornstarch
• 3/4 teaspoon salt
• 3/4 cup (12 Tbsp; 170g) unsalted butter, softened to room temperature
• 1 cup (200g) packed light or dark brown sugar
• 1/3 cup (80ml) pasteurized egg whites, at room temperature*
• 2 teaspoons pure vanilla extract
• 1 cup (180g) mini semi-sweet chocolate chips
• 1 and 3/4 cups (219g) all-purpose flour (spooned & leveled)
• 1 teaspoon baking powder
• 1/4 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 cup (120ml) whole milk, at room temperature
• 1/2 cup (120g) sour cream, at room temperature
• 1/2 cup (8 Tbsp; 113g) unsalted butter, softened to room temperature
• 1 cup (200g) granulated sugar
• 1/3 cup (80ml) pasteurized egg whites, at room temperature*
• 2 teaspoons pure vanilla extract
• 1 cup (16 Tbsp; 226g) unsalted butter, softened to room temperature
• 2 teaspoons pure vanilla extract
• 1 Tablespoon heavy cream or milk
• 1 teaspoon salt
• 3 cups (360g) confectioners’ sugar, sifted
• remaining cookie dough