Maple Chai Latte Cookies with Brown Butter Icing

Bahan-bahan (22 porsi)

• 1 1/2 sticks , 3/4 cup, 12 tablespoons salted, butter at room temperature
• 3/4 cup light or dark brown sugar
• 2 -4 tablespoons espresso powder, or instant coffee powder
• 2 teaspoons vanilla extract
• 1 large egg
• 1/3 cup maple syrup
• 2 1/4 cups , plus 1-2 tablespoons, as needed all-purpose flour
• 1 1/4 teaspoons baking soda
• 1 teaspoon salt
• 2 teaspoons ground cinnamon
• 1 teaspoon ground ginger
• 1/2 teaspoon ground cardamom
• 1/4 teaspoon grated nutmeg
• 1/4 teaspoon all-spice
• 1 tiny pinch black pepper
• granulated sugar for rolling
• 1 stick , 1/2 cup, 8 tablespoons salted butter, at room temperature
• 1 1/2 - 2 cups powdered sugar
• 3 tablespoons milk
• 1/2 teaspoon vanilla bean powder
• flaked sea salt