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Brown Butter and Honey Pistachio Cookie Bars Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4 from 36 reviews
  • Author: Emma
  • Prep Time: 30 minutes
  • Cook Time: 25 minutes
  • Total Time: 3 hours 25 minutes
  • Yield: Approximately 24 bars 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

These Brown Butter and Honey Pistachio Cookie Bars combine nutty browned butter, sweet honey, and crunchy pistachios for a chewy, flavorful treat perfect for any occasion.

Ingredients

Units Scale

Ingredients

  • Unsalted Butter: 1 cup (2 sticks or 226g), plus a little extra for greasing the pan
  • All-Purpose Flour: 2 1/2 cups (about 310g), spooned and leveled
  • Baking Soda: 1 teaspoon
  • Salt: 3/4 teaspoon (use 1/2 teaspoon if using salted pistachios)
  • Light Brown Sugar: 3/4 cup (165g), packed
  • Granulated Sugar: 1/2 cup (100g)
  • Honey: 1/2 cup (170g) – Clover or wildflower honey works well
  • Large Eggs: 2, at room temperature
  • Pure Vanilla Extract: 2 teaspoons
  • Shelled Pistachios: 1 1/2 cups (about 210g), raw, unsalted, roughly chopped (reserve 1/4 cup for topping, optional)
  • Flaky Sea Salt: For sprinkling on top (optional, but highly recommended)

Instructions

  1. Brown the Butter (The Flavor Foundation): Place the 1 cup of unsalted butter in a medium-sized, light-colored saucepan. A light color helps you monitor the browning process accurately. Melt the butter over medium heat. Once melted, the butter will start to foam and sizzle. This is the water content evaporating. Continue cooking, swirling the pan occasionally to ensure even heating. The sizzling will subside, and the butter will become clear for a moment before milk solids start to sink to the bottom and turn golden brown. Watch very carefully now. You’ll see golden brown specks forming at the bottom, and the butter will turn a beautiful amber colour. It will smell intensely nutty and fragrant. This process usually takes 5-8 minutes after melting. As soon as you achieve this amber colour and nutty aroma, immediately remove the pan from the heat. Pour the browned butter, including all the toasted milk solids (that’s where the flavour is!), into a large heatproof bowl. Allow the brown butter to cool for about 15-20 minutes at room temperature, or speed it up by placing it in the refrigerator for 10 minutes, stirring occasionally. You want it to be cool to the touch but still liquid, not solidified.
  2. Prepare the Pan and Oven: Preheat your oven to 350°F (175°C). Grease a 9×13 inch baking pan with a little extra butter. Line the pan with parchment paper, leaving an overhang on two opposite sides. This “sling” will make it much easier to lift the bars out later for cutting. Grease the parchment paper lightly as well.
  3. Combine Dry Ingredients: In a medium bowl, whisk together the all-purpose flour, baking soda, and salt. Whisking helps to distribute the leavening agent evenly and aerates the flour. Set aside.
  4. Mix Wet Ingredients: To the bowl with the cooled brown butter, add the packed light brown sugar, granulated sugar, and honey. Using an electric mixer (handheld or stand mixer with paddle attachment) or a sturdy whisk, beat the mixture on medium speed for about 2-3 minutes until it’s well combined, smooth, and slightly lightened in colour. Add the room temperature eggs one at a time, beating well after each addition until fully incorporated. Scrape down the sides of the bowl as needed. Beat in the pure vanilla extract until combined.
  5. Combine Wet and Dry: Gradually add the dry ingredient mixture to the wet ingredient mixture in three additions. Mix on low speed (or stir gently with a spatula) just until the flour is almost fully incorporated after each addition. Be careful not to overmix! Overmixing develops the gluten in the flour too much, which can lead to tough or cakey bars instead of chewy ones. Stop mixing as soon as you no longer see large streaks of dry flour.
  6. Fold in the Pistachios: Remove the bowl from the mixer (if using). Add 1 ¼ cups of the chopped pistachios (reserving the remaining ¼ cup if you want to sprinkle them on top). Using a rubber spatula or wooden spoon, gently fold the pistachios into the cookie dough until they are evenly distributed. Again, avoid overmixing.
  7. Press Dough into Pan: Scrape the cookie dough into the prepared 9×13 inch baking pan. The dough will be thick and slightly sticky. Using the back of a spoon, an offset spatula, or your lightly greased fingertips, press the dough evenly into the bottom of the pan, ensuring it reaches all corners. Try to get the surface as level as possible for even baking. If desired, sprinkle the reserved ¼ cup of chopped pistachios evenly over the top of the dough. For an extra pop of flavour and visual appeal, sprinkle a little flaky sea salt over the top.
  8. Bake to Perfection: Place the pan in the preheated oven on the center rack. Bake for 25-30 minutes. The edges should be set and golden brown, and the center should look slightly underbaked but not wet or jiggly. A toothpick inserted into the center should come out with a few moist crumbs attached, but no liquid batter. Baking time can vary slightly depending on your oven, so start checking around the 23-minute mark. For chewier bars, err on the side of slightly underbaking.
  9. Cool Completely (Crucial Step!): Remove the pan from the oven and place it on a wire cooling rack. Let the cookie bars cool completely in the pan before attempting to lift them out or cut them. This usually takes at least 2-3 hours, sometimes longer. Cooling allows the bars to set properly, ensuring clean cuts and the perfect chewy texture. Cutting them while warm will result in crumbly, messy bars.
  10. Cut and Enjoy: Once completely cool, use the parchment paper overhangs to carefully lift the entire slab of cookie bars out of the pan and onto a cutting board. Using a large, sharp knife, cut the slab into bars of your desired size. A 4×6 grid (24 bars) or a 3×5 grid (15 larger bars) works well. Wipe the knife clean between cuts if needed for the neatest edges. Serve and enjoy the fruits (or nuts!) of your labor!

Notes

  • Use a light-colored saucepan to monitor the butter browning process accurately.
  • Do not overmix the batter to avoid tough or cakey bars.
  • Cooling completely in the pan is crucial for clean cuts and the perfect chewy texture.
  • Sprinkling flaky sea salt on top is optional but highly recommended for flavor contrast.

Find it online: https://yumrecipesfood.com/brown-butter-and-honey-pistachio-cookie-bars-recipe/