Kue Mangkuk Nyonya Rumah Buatan Sendiri

Bahan-bahan (18 porsi)

• 1/2 cup melted coconut oil
• 2 large eggs, at room temperature
• 1/2 cup buttermilk, at room temperature
• 1/2 cup plain Greek yogurt or sour cream
• 1 cup granulated sugar
• 1 tablespoon vanilla extract
• 1 1/2 cups all-purpose flour
• 1 cup unsweetened cocoa powder
• 1 1/2 teaspoons baking powder
• 1 teaspoon baking soda
• 1 teaspoon salt
• 1/2 cup hot black coffee
• 3 egg whites
• 3/4 cup granulated sugar
• 1/2 teaspoon cream of tartar
• 1 teaspoon pure vanilla extract
• 1 cup semi-sweet chocolate chips
• 1/3 cup milk
• 1 cup white chocolate chips, melted