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Bourbon Brown Butter Blondies

Bourbon Brown Butter Blondies

Created by Chef Remy

Dense, butterscotch-scented bars made with deeply nutty brown butter, good Kentucky bourbon, and toasted Louisiana pecans, finished with a boozy glaze that pools into every crack and crevice.

Pastries & Cookies
Southern
Potluck
Make Ahead
Comfort Food
25 min
Active Time
35 min cook1 hr total
Yield16 bars

Brown butter changes everything. That's the truth of it. You take plain butter and cook it past melting, past foaming, until those milk solids turn golden and the whole kitchen smells like toasted hazelnuts. My grandmother Evangeline called it beurre noisette, the French way, because our Cajun roots run deep. She'd brown butter for everything from fish to biscuits. The woman understood that patience at the stove pays off in flavor.

These blondies are built on that foundation. The brown butter gives them a depth you won't find in any recipe using plain melted butter. Add good bourbon, the kind you'd sip on the porch after supper, and you've got something special. At Lagniappe, we serve these warm with vanilla ice cream, and grown men have been known to order seconds.

The technique here matters more than exact measurements. You're watching the butter, listening to it, smelling when it's ready. You're folding the batter gently so you don't knock out all the air. You're pulling the pan when the center still jiggles because carryover heat finishes the job. Trust your senses. That's the bayou way.

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Ingredients

unsalted butter

Quantity

1 cup (2 sticks/226g)

light brown sugar

Quantity

2 cups (440g)

packed

large eggs

Quantity

2

at room temperature

large egg yolks

Quantity

2

at room temperature

bourbon

Quantity

3 tablespoons

pure vanilla extract

Quantity

1 tablespoon

all-purpose flour

Quantity

2 cups (250g)

fine sea salt

Quantity

1 teaspoon

baking powder

Quantity

1/2 teaspoon

pecans

Quantity

1 cup (120g)

chopped and toasted

butterscotch chips

Quantity

1 cup (170g)

flaky sea salt

Quantity

for finishing

powdered sugar

Quantity

1 1/2 cups (180g)

sifted

bourbon (for glaze)

Quantity

2-3 tablespoons

heavy cream

Quantity

2 tablespoons

fine sea salt (for glaze)

Quantity

pinch

Equipment Needed

  • 9x13-inch baking pan
  • Light-colored saucepan for browning butter
  • Wire cooling rack
  • Parchment paper

Instructions

  1. 1

    Prepare your pan

    Position a rack in the center of your oven and preheat to 350°F. Line a 9x13-inch baking pan with parchment paper, leaving overhang on the long sides for easy lifting later. This is not optional. Blondies stick something fierce, and you'll curse yourself if you skip this step.

  2. 2

    Brown the butter

    Cut the butter into tablespoon-sized pieces and place in a light-colored saucepan over medium heat. The light color lets you see the browning happen. The butter will melt, then foam vigorously as the water cooks off. Swirl the pan gently and watch. After about five minutes, the foam will subside and you'll see golden-brown specks forming at the bottom. The smell will shift from plain butter to something nutty and rich, like toasted hazelnuts. That's your signal. Pull it off the heat immediately.

    Brown butter goes from perfect to burned in seconds. Stay at the stove, keep swirling, and trust your nose. When it smells like heaven, it's done.
  3. 3

    Build the base

    Pour the brown butter, including every last golden speck from the bottom, into a large mixing bowl. Add the brown sugar and whisk until combined. The mixture will look grainy and smell like butterscotch. Let it cool for about five minutes so you don't scramble your eggs when they go in.

  4. 4

    Add eggs and bourbon

    Whisk in the whole eggs and egg yolks one at a time, beating well after each addition. The extra yolks give these blondies their dense, fudgy chew. Add the bourbon and vanilla, whisking until the batter turns glossy and smooth. You should see it come together and look almost like caramel sauce.

    Room temperature eggs incorporate better and won't shock the warm butter. Set them out when you start.
  5. 5

    Incorporate dry ingredients

    Whisk together the flour, salt, and baking powder in a separate bowl. Add to the wet ingredients and fold gently with a spatula until just combined. You'll see streaks of flour disappear into the batter. Stop the moment it comes together. Overmixing makes tough blondies, and nobody wants that.

  6. 6

    Add the good stuff

    Fold in the toasted pecans and butterscotch chips, reserving a small handful of each for the top. Distribute evenly through the thick batter. It should be dense and glossy, holding its shape when you lift the spatula.

  7. 7

    Bake until just set

    Spread the batter evenly in your prepared pan. Scatter the reserved pecans and chips over the top. Bake for 30 to 35 minutes, until the edges are golden and pulling away slightly from the pan. The center should still have a gentle jiggle when you shake the pan. This is crucial: they will firm up as they cool. Overbaked blondies are dry blondies.

    A toothpick test should come out with moist crumbs clinging to it, not wet batter and not completely clean. That's your target.
  8. 8

    Cool completely

    Let the blondies cool in the pan on a wire rack for at least two hours, preferably three. I know you want to cut into them. Patience. They need this time to set up properly. The texture transforms from gooey mess to perfectly fudgy as they rest.

  9. 9

    Make the bourbon glaze

    Whisk together the sifted powdered sugar, two tablespoons of bourbon, the heavy cream, and a pinch of salt until smooth. The consistency should be like thick honey, drizzling slowly off the whisk. Add more bourbon by the teaspoon if you want it thinner or boozier. Taste it. Adjust. That's how real cooking works.

  10. 10

    Finish and serve

    Use the parchment overhang to lift the cooled blondies onto a cutting board. Drizzle the bourbon glaze over the top in long, lazy strokes. Let it pool in the cracks and run down the sides. Sprinkle with flaky sea salt while the glaze is still tacky. Cut into squares with a sharp knife, wiping the blade between cuts for clean edges.

Chef Tips

  • Use bourbon you'd actually drink. Cheap bourbon makes cheap-tasting baked goods. I reach for Maker's Mark or Buffalo Trace, something with a little sweetness and vanilla to it.
  • Toast your pecans before chopping. Spread them on a sheet pan at 350°F for eight minutes, shaking once. The flavor difference is night and day. Louisiana pecans have a sweetness that store-bought can't match.
  • For cleaner cuts, refrigerate the glazed blondies for thirty minutes before slicing. A bench scraper works even better than a knife.
  • These get better overnight. The bourbon flavor mellows and the texture becomes even more dense and chewy. Make them a day ahead for the best results.

Advance Preparation

  • Blondies keep at room temperature in an airtight container for up to five days. The flavor actually improves on day two.
  • Unglazed blondies freeze beautifully for up to three months. Wrap the whole slab in plastic, then foil. Thaw at room temperature and add fresh glaze before serving.
  • The glaze can be made up to a week ahead and stored refrigerated. Bring to room temperature and whisk smooth before drizzling.

Frequently Asked Questions

Nutrition Information

1 serving (about 95g)

Calories
445 calories
Total Fat
21 g
Saturated Fat
11 g
Trans Fat
0 g
Unsaturated Fat
10 g
Cholesterol
79 mg
Sodium
245 mg
Total Carbohydrates
59 g
Dietary Fiber
1 g
Sugars
44 g
Protein
4 g

Note: Chef personas and recipes are created with AI assistance. Cook with care: follow safe food-handling practices, check doneness with a thermometer when needed, and adapt for allergies and your kitchen.

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