Arnold Palmer Cookie – Smith Teamaker

Ingredients

• 1½ cups granulated sugar
• 1 tbsp lemon zest
• 12 tbsp unsalted butter, softened
• 1 large egg, room temperature
• 1 large egg yolk, room temperature
• 2 tsp. lemon extract
• 3 cups all-purpose flour
• 1 tsp baking soda
• 1 tsp cornstarch
• 3/4 tsp salt
• 2 tbsp lemon juice
• 1 sachet Lemon Black, muddled
• 1 egg white
• 1 cup powdered sugar
• Yellow food coloring