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Shamrock Shake Sugar Cookie Bars with green frosting and sprinkles

The Best Shamrock Shake Sugar Cookie Bars

Celebrate St. Patrick’s Day with these Shamrock Shake Sugar Cookie Bars! Soft, minty, and beautifully green, they combine the flavors of the classic Shamrock Shake with the texture of chewy sugar cookie bars topped with creamy icing.
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Préparation 20 minutes
Cuisson 25 minutes
Cooling Time 30 minutes
Temps total 45 minutes
Portions: 16 bars
Plat: Dessert
Cuisine: American
Calories: 240
Ingredients Equipment Préparation Notes

Ingrédients
  

For the Bars
  • 2 ½ cups all-purpose flour
  • 1 tsp baking powder
  • ½ tsp salt
  • 1 cup unsalted butter softened
  • 1 ½ cups granulated sugar
  • 2 large eggs
  • 1 tsp vanilla extract
  • ½ tsp peppermint extract
  • green food coloring to desired shade
For the Icing
  • 1 cup powdered sugar
  • 2 tbsp milk adjust as needed for consistency

Équipement

  • 9×13 inch baking pan
  • Mixing bowls
  • Hand mixer or stand mixer
  • Spatula
  • Wire Rack

Préparation
 

  1. Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking pan with cooking spray or butter.
  2. In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
  3. In a large bowl, cream together the softened butter and granulated sugar until light and fluffy (about 2–3 minutes).
  4. Beat in the eggs, vanilla extract, peppermint extract, and green food coloring until smooth and evenly colored.
  5. Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
  6. Spread the dough evenly into the prepared baking pan and smooth the top with a spatula.
  7. Bake for 20–25 minutes, or until a toothpick inserted in the center comes out clean. Cool completely in the pan on a wire rack.
  8. For the icing, whisk together powdered sugar and milk until smooth. Add green food coloring if desired.
  9. Spread the icing evenly over the cooled bars, then cut into squares and serve.

Notes et conservation

Store in an airtight container at room temperature for up to 3 days or refrigerate for a week. For freezing, wrap tightly in plastic wrap and foil. Customize with white chocolate chips or sprinkles for extra flair!