Coconut Cupcakes with Lime Filling and Coconut Buttercream | La Cucina Grandinetti

Ingredients

• 1 large egg
• 5 large egg whites
• 3/4 cup cream of coconut
• 1/4 cup water
• 1 teaspoon vanilla extract
• 1 teaspoon coconut extract
• 2-1/4 cups cake flour (9 ounces), sifted
• 1 cup granulated sugar
• 1 tablespoon baking powder
• 3/4 teaspoon table salt
• 12 tablespoons unsalted butter (1-1/2 sticks), cut into 12 pieces, softened, but still cool
• 2 cups packed sweetened shredded coconut (about 8 ounces)
• 3/4 cup lime juice, strained
• 1/4 cup unsalted butter, cubed
• 1 cup sugar
• 1/4 cup cornstarch
• pinch of salt
• 2 whole eggs
• 2 egg yolks
• 1 teaspoon vanilla
• 1 recipe for coconut buttercream