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Brown Butter and Honey Pistachio Cookie Bars Recipe

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★★★★★

4.9 from 146 reviews

These Brown Butter and Honey Pistachio Cookie Bars combine the nutty richness of browned butter with the natural sweetness of honey and the delightful crunch of pistachios. Featuring chewy edges and a soft, slightly gooey center, these bars offer a sophisticated gourmet flavor with an easy-to-follow baking process, perfect for potlucks, gatherings, or an indulgent everyday treat.

Ingredients

Scale

Butter & Sugars

  • 1 cup (2 sticks or 226g) unsalted butter, plus extra for greasing the pan
  • ¾ cup (165g) light brown sugar, packed
  • ½ cup (100g) granulated sugar
  • ½ cup (170g) honey (clover or wildflower recommended)

Dry Ingredients

  • 2 ½ cups (about 310g) all-purpose flour, spooned and leveled
  • 1 teaspoon baking soda
  • ¾ teaspoon salt (use ½ teaspoon if using salted pistachios)

Other Ingredients

  • 2 large eggs, at room temperature
  • 2 teaspoons pure vanilla extract
  • 1 ½ cups (about 210g) shelled pistachios, raw, unsalted, roughly chopped (reserve ¼ cup for topping, optional)
  • Flaky sea salt for sprinkling on top (optional but recommended)

Instructions

  1. Brown the Butter (The Flavor Foundation): Melt 1 cup of unsalted butter in a medium light-colored saucepan over medium heat, swirling occasionally. Once melted, the butter will foam and sizzle as water evaporates. Continue cooking until golden brown specks form at the bottom and the butter turns amber with a nutty aroma (approx. 5-8 minutes). Remove from heat and pour all browned butter and milk solids into a large heatproof bowl. Let cool 15-20 minutes at room temperature or 10 minutes refrigerated until cool but still liquid.
  2. Prepare the Pan and Oven: Preheat oven to 350°F (175°C). Grease a 9×13 inch baking pan with extra butter, line with parchment paper leaving an overhang on two opposite sides, and lightly grease the parchment.
  3. Combine Dry Ingredients: In a medium bowl, whisk together the flour, baking soda, and salt to evenly distribute the leavening agent and aerate the flour. Set aside.
  4. Mix Wet Ingredients: To the cooled browned butter, add light brown sugar, granulated sugar, and honey. Beat with an electric mixer or whisk on medium speed for 2-3 minutes until smooth and slightly lightened. Add eggs one at a time, beating well after each, scraping bowl sides as needed. Beat in vanilla extract until combined.
  5. Combine Wet and Dry Ingredients: Gradually add dry ingredients in three additions, mixing on low or folding with a spatula just until flour is almost incorporated each time. Avoid overmixing to prevent tough bars.
  6. Fold in Pistachios: Gently fold in 1 ¼ cups of chopped pistachios using a spatula or wooden spoon until evenly distributed. Reserve remaining pistachios for topping if desired.
  7. Press Dough into Pan: Scrape sticky dough into prepared pan. Press evenly into corners and level the surface using a spatula, spoon back, or greased fingertips. Sprinkle reserved pistachios and flaky sea salt on top if using.
  8. Bake to Perfection: Bake on center rack for 25-30 minutes. Edges should be set and golden; center slightly underbaked but not wet or jiggly. Insert toothpick to check for moist crumbs with no wet batter. Start checking at 23 minutes and err on underbaking for chewier bars.
  9. Cool Completely (Crucial Step!): Remove pan from oven and cool on wire rack. Let bars cool in pan at least 2-3 hours to set fully for clean cutting and perfect chewy texture. Cutting warm bars causes crumbly, messy pieces.
  10. Cut and Enjoy: Lift bars out using parchment overhangs onto a cutting board. Cut into desired size (24 bars in 4×6 grid or 15 larger bars in 3×5 grid). Clean knife between cuts for neat edges. Serve and enjoy!

Notes

  • Brown the butter carefully to achieve a deep amber color and nutty aroma without burning; pour out immediately after browning to stop cooking.
  • Use the spoon and level method or a kitchen scale for measuring flour to avoid dense or dry bars.
  • Use room temperature eggs to ensure smooth emulsification and consistent batter texture.
  • Allow bars to cool completely before cutting to maintain structure and avoid crumbling.
  • Optional: Toast pistachios at 350°F for 5-7 minutes before chopping to enhance flavor and crunch.
  • Salt adjustment: If using salted butter, reduce added salt to ½ teaspoon or less to prevent over-salting.
  • Bars can be frozen either raw in pan (covered well) or baked bars (individually wrapped) for up to 3 months.
  • Substitute pistachios with other nuts like toasted pecans, walnuts, almonds, hazelnuts, or cashews for variety.

Keywords: brown butter cookie bars, honey pistachio bars, chewy cookie bars, nutty dessert bars, easy bake cookie bars, pistachio recipe dessert

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