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Starbucks Lemon Loaf Browned Butter Blondie

Close-up of a moist slice of Starbucks Lemon Loaf Browned Butter Blondie with lemon glaze.
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A chewy blondie bar combining the tangy lemon flavor of the Starbucks Lemon Loaf with the rich, nutty depth of browned butter.

Ingredients

Scale
  • 1 cup (2 sticks) unsalted butter
  • 2 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 1/2 cups packed light brown sugar
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 1 tablespoon lemon zest
  • 1 teaspoon vanilla extract
  • 1/4 cup fresh lemon juice
  • 1 cup powdered sugar (for glaze)
  • 2 tablespoons fresh lemon juice (for glaze)

Instructions

  1. Melt the butter in a light-colored saucepan over medium heat. Continue cooking, swirling occasionally, until the butter foams, then brown bits form at the bottom and it smells nutty. Immediately pour the browned butter into a heatproof bowl to stop cooking. Let cool for 10 minutes.
  2. Preheat your oven to 350°F (175°C). Line a 9×13 inch baking pan with parchment paper, leaving an overhang on the sides.
  3. In a medium bowl, whisk together the flour, baking powder, and salt. Set aside.
  4. In a large bowl, whisk the cooled browned butter with the brown sugar and granulated sugar until well combined.
  5. Whisk in the eggs one at a time until incorporated. Stir in the lemon zest and vanilla extract.
  6. Gradually mix in the dry ingredients until just combined. Stir in the 1/4 cup of lemon juice. Do not overmix.
  7. Spread the batter evenly into the prepared pan.
  8. Bake for 25 to 30 minutes, or until the edges are set and a toothpick inserted near the center comes out with moist crumbs attached. Do not overbake for a chewy texture.
  9. Let the blondies cool completely in the pan on a wire rack.
  10. Prepare the glaze: Whisk together the powdered sugar and 2 tablespoons of lemon juice until smooth. Add more powdered sugar or juice, one teaspoon at a time, to reach a thick but pourable consistency.
  11. Drizzle or spread the glaze evenly over the cooled blondies before slicing into bars.

Notes

  • To properly brown butter, watch for the milk solids to turn amber brown at the bottom of the pan.
  • For a chewier blondie, slightly underbake them; the residual heat will finish the cooking process as they cool.
  • Use fresh lemon juice for the best tangy flavor in both the batter and the glaze.

Nutrition

Find it online: https://cookerycourier.com/starbucks-lemon-loaf-browned-butter-blondie/