Peaches n' Cream Cupcakes Recipe

Ingredients

• 1 1/3 cups all-purpose flour
• 1/2 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1 cup sugar
• 4 tablespoons butter, at room temperature
• 1 large egg
• 1 teaspoon vanilla extract
• 1/2 teaspoon peach extract
• 3/4 cup buttermilk
• 1/4 cup peach puree
• 2 cups fresh or frozen peaches, pureed
• 1 tablespoon sugar
• 1 tablespoon cornstarch
• 1 pound mascarpone cheese
• 1 1/4 cups heavy cream
• 1/2 cup confectioners' sugar