Brown Sugar Sandwich Cookies - Simple Easy Meals

Ingredients

• 2 1/2 cups all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 3/4 teaspoon fine sea salt
• 2 tablespoons cornstarch
• 1 cup unsalted butter, at room temperature
• 1 1/2 cups granulated sugar
• 1 large whole egg
• 1 large egg yolk, extra rich
• 2 teaspoons pure vanilla extract
• Sparkling sugar, for garnish
• 3 cups powdered sugar
• 1/2 cup unsalted butter, softened
• 1 package cream cheese, softened
• 1 teaspoon vanilla bean paste
• 1/2 teaspoon almond extract