Irresistible Starbucks Lime Coconut Bars - Zest Plate

Ingredients

• ½ cup butter, softened (salted or unsalted)
• ⅔ cup brown sugar
• 1 egg, at room temperature
• 1 teaspoon vanilla extract
• ¼ teaspoon coconut extract
• 1 ¼ cups flour
• ½ teaspoon baking powder
• ¼ teaspoon salt
• ½ cup shredded coconut, plus extra for topping
• ⅓ cup white chocolate chips, ideally mini-sized
• ½ cup butter, at room temperature
• ½ teaspoon lime extract
• 1 ½ cups powdered sugar
• 1 tablespoon heavy cream or milk
• 2 tablespoons lime juice
• Food coloring (optional)
• 2 tablespoons melted white chocolate for drizzling