Vanilla Cupcakes with Mango Ginger Curd Filling - Cupcake Fanatic

Ingredients

• 1 1/2 cups all-purpose flour
• 1 1/4 tsp baking powder
• 1/4 tsp baking soda
• 1/4 tsp salt
• 1 1/2 sticks butter, softened to room temperature
• 1 cup granulated white sugar
• 2 large eggs
• 1 egg yolk
• 2 tsp pure vanilla extract
• 1/2 cup buttermilk
• 2 cups sugar
• 8 tbsp corn starch
• 4 tbsp flour
• 1 tsp dried ginger
• 1 cup cold water
• 1 1/2 cups worth pureed mango flesh
• 4 tbsp fresh lime juice
• 6 egg yolks
• 4 tbsp butter, softened
• 2 cups boiling water