Ultimate Brown Butter Blondies

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Rich, chewy, and packed with nutty browned butter flavor, these Ultimate Brown Butter Blondies are easy to make and perfect for any occasion. Customize them with your favorite mix-ins like chocolate chips, nuts, or raspberries for a delightful treat. Enjoy the irresistible flavor and perfect texture of these decadent blondies!

Prep Time20

Cook Time25

Total Time45

Course: Dessert

Cuisine: American

Keyword: baked dessert, blondies, easy bars, easy dessert

Servings: squares

Calories: 265kcal

Author: Kim Lange

Cost: $10

Ingredients

1 cup unsalted butter (2 sticks) melted into brown butter
1 ½ cups dark brown sugar
¼ cup granulated sugar
2 large eggs
1 large egg yolk
2 tablespoons pure vanilla extract
1 ½ teaspoons salt
1 teaspoon baking powder
2 cups all-purpose flour
Optional: sea salt flakes for the tops

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Instructions

BROWN BUTTER

To make melted brown butter, put 1 cup of the butter in a small saucepan and heat it on medium. When it melts, turn the heat up a little and keep a watch on it while stirring or swirling the pan around to keep it from browning too fast. The butter will foam up and once the foam subsides, it's ready to pull from the stovetop, which takes about 4-5 minutes. You'll see little golden pieces at the bottom of the pan. Pour the butter into a bowl and let it cool and make sure to scrape all the yummy brown bits into the bowl too!

MAKING THE BLONDIE BATTER

Preheat the oven to 350°F. Spray a 9-inch baking dish and line the bottom and two sides of the pan with parchment paper for easy removal.
In a large bowl, add the brown sugar, sugar, eggs, egg yolk, vanilla and salt and mix for 2 to 3 minutes using a mixer on medium until the mixture is thick, lightened in color and well combined. Whisk in the cooled brown butter until fully combined.
Add the baking powder, followed by the flour, mixing until just barely combined and the flour has just disappeared. Make sure to not over-mix the blonde dough. The blondie cookie dough will be thick.
Transfer the blondie dough into your prepared pan and smooth the tops of the blondies with an offset spatula or the back of a spoon.
To make blondies, put them in the middle of the oven for 25-30 minutes. They should be golden brown around the edges, puffed up on top, and a little jiggly in the middle. They will continue baking as they set. If you want, you can add sea salt flakes and let the blondies cool on a wire rack.
To cut the blondies, make sure they are completely cool for approximately 2 to 3 hours before cutting. Pull the parchment paper out of the pan and place the blondies on a cutting board. Use a sharp knife and clean the blade between cuts for the best blondies slices. You can also put them in the fridge to make cutting them easier.

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