Sugar Cookie with Orange-Cinnamon Icing Recipe | Food Network

Ingredients

• 4 sticks (2 cups) salted butter, at room temperature
• 2 cups granulated sugar
• 2 large eggs
• 6 cups all-purpose flour, plus more for dusting
• 2 teaspoons baking powder
• 1/2 teaspoon kosher salt
• 2 teaspoons vanilla extract
• 2 teaspoons lemon juice
• 1/4 teaspoon ground cinnamon
• 4 large egg whites
• Grated zest of 1 orange
• 6 cups confectioners' sugar