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Starbucks Lime Frosted Coconut Bars Copycat Recipe

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3.8 from 8 reviews

Delight in the refreshing tropical flavors of these Starbucks Lime Frosted Coconut Bars, a perfect copycat recipe that combines a soft coconut base with zesty lime frosting and a drizzle of white chocolate. These bars make a delightful treat for any occasion, balancing sweetness with a hint of citrus brightness.

  • Total Time: 35 minutes
  • Yield: 16 servings

Ingredients

Bar Base

  • 1/2 cup butter (softened, salted or unsalted)
  • 2/3 cup brown sugar
  • 1 egg (at room temperature)
  • 1 tsp vanilla bean extract
  • 1/4 tsp coconut flavoring
  • 1 1/4 cup all-purpose flour
  • 1/2 tsp baking powder
  • 1/4 tsp salt
  • 1/2 cup shredded unsweetened coconut (plus extra for topping)
  • 1/3 cup white chocolate chips (mini if possible)

Lime Frosting

  • 1/2 cup butter (at room temperature)
  • 1 1/2 cup powdered sugar
  • 1 tbsp heavy cream (or milk)
  • 2 tbsp lime juice
  • 1/2 tsp lime flavoring
  • lime green food coloring (or mix of yellow and green food coloring)

For Drizzling

  • 2 tbsp white chocolate (melted)

Instructions

  1. Preheat and Prepare Pan. Preheat your oven to 350°F (175°C). Line an 8×8 inch baking pan with parchment paper and set aside to ensure easy removal of the bars.
  2. Cream Butter and Sugar. In a mixing bowl, cream together the softened butter and brown sugar until the mixture becomes light and creamy, providing a smooth texture for the base.
  3. Add Wet Flavors. Incorporate the egg, vanilla bean extract, and coconut flavoring into the creamed butter and sugar. Mix until all ingredients are thoroughly combined.
  4. Combine Dry Ingredients and Coconut. Gently fold in the flour, baking powder, salt, and shredded unsweetened coconut just until the flour mixture is no longer visible, taking care not to overmix.
  5. Add White Chocolate Chips and Bake. Fold in the white chocolate chips evenly throughout the batter. Spread the batter evenly onto the prepared baking pan and bake for 15 to 16 minutes until set and lightly golden.
  6. Cool the Bars. Remove the pan from the oven and allow the coconut bars to cool completely in the pan to ensure the frosting will adhere properly.
  7. Make Lime Frosting. In a large bowl, whip the softened butter with powdered sugar, heavy cream (or milk), lime juice, and lime flavoring until the mixture becomes light and fluffy.
  8. Add Food Coloring. Stir in lime green food coloring until the frosting achieves the bright, vibrant color characteristic of Starbucks lime bars. Use a mix of yellow and green if needed to perfect the hue.
  9. Frost the Bars. Spread the lime frosting evenly over the cooled coconut bars.
  10. Drizzle White Chocolate and Top. Drizzle melted white chocolate over the frosted bars using a piping bag, ziplock bag, or spoon. Sprinkle extra shredded coconut on top for added texture and garnish.
  11. Slice and Serve. Cut the bars into 16 pieces. For a chilled treat, refrigerate until the frosting is set. Serve with milk or your favorite Starbucks coffee.

Notes

  • Make sure the bars are completely cool before frosting to prevent melting.
  • Use mini white chocolate chips for better distribution in the bars.
  • Adjust the lime juice and flavoring to taste for a more or less tangy frosting.
  • These bars can be stored in an airtight container in the refrigerator for up to 5 days.
  • For a dairy-free version, substitute butter and heavy cream with plant-based alternatives.
  • Author: Maya
  • Prep Time: 10 minutes
  • Cook Time: 15-16 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American