Deep Dish Brown Butter Blondies

Our deep-dish brown butter blondies are rich, chewy, and decadently nutty treats, elevated with golden brown butter and customizable mix-ins for the ultimate indulgence.

At Avdaye, we add lots of tips in all of our recipes – because we are a home cook without any formal training, and we find we are more confident making dishes when we understand why it works, and what each ingredient means to the flavor of a recipe. Our goal is for even the most beginner home cook to feel empowered in the kitchen.

Deep Dish Browned Butter Blondies

Looking for an easy, good and oh-so-irresistible treat for Valentines Day your whole family will love?

We're over at Joann Fabric and Craft Stores blog, The Creative Spark, sharing this insanely good treat- Deep Dish Brown Butter Blondies! These are ooey, gooey, packed with white chocolate chips and sprinkles- and decorated with the most adorable little candy melt hearts!

These are a little bit darker than other blondies thanks to browned butter- which helps the outside get crispy and crunchy, and gives a sinfully rich caramel flavor to these addictive desserts. Top with ice cream and sprinkles for a deep dish dessert your whole family will love!

Kitchen notes

Use High-Quality Butter – The brown butter is the star of the recipe, so use good-quality unsalted butter for the best flavor.

Watch the Brown Butter Closely – When browning the butter, keep stirring and watch for golden brown bits at the bottom of the pan. Remove from heat immediately to avoid burning.

Let the Butter Cool – Allow the brown butter to cool slightly before mixing with sugar to prevent cooking the eggs.

Use Parchment Paper – Line the pan with parchment paper, leaving an overhang on the sides, for easy removal and cleanup.

Don't Overmix the Batter – Mix the wet and dry ingredients until combined to avoid over-developing the gluten, which can make the blondies tough.

Customize Your Mix-Ins – Add chocolate chips, nuts, toffee bits, or even dried fruit for a personal touch. Aim for about 1 1/4 cups total mix-ins.

Bake Evenly – Use a metal pan for better heat distribution or rotate the pan halfway through baking to ensure even cooking.

Check for Doneness – Insert a toothpick into the center; it should come out with a few moist crumbs but no wet batter. Adjust bake time slightly for gooier or firmer blondies.

Let Them Cool Completely – Cool the blondies in the pan for at least 20 minutes to set their structure before cutting.

Enhance the Flavor with Salt – Sprinkle flaky sea salt on top before baking for a sweet-salty contrast that elevates the brown butter flavor.

Store Properly – Keep blondies in an airtight container at room temperature for up to 3 days, or refrigerate for a longer shelf life.

Reheat for Warm Gooeyness – Pop a blondie in the microwave for 10-15 seconds to bring back the gooey texture if served later.

Use a Digital Scale – For precise measurements, especially with the flour, to ensure the right texture every time.

What to Enjoy with Brown Butter Blondies

Cheese (e.g., Cream Cheese or Mascarpone) – A dollop of mildly tangy cheese can create a creamy, savory contrast to the sweet blondies.

Coffee or Espresso – The bold, slightly bitter notes of coffee complement the sweetness and enhance the browned butter's nuttiness.

Lemon Bars – Lemon bars are tangy, sweet dessert squares with a luscious lemon custard filling atop a buttery shortbread crust, dusted with powdered sugar for a solid balance of bright and rich flavors.

Blueberry Cheesecake Bars – They are typically easier and quicker to make than a full cheesecake but still deliver the rich flavor and creamy texture that cheesecake lovers enjoy.

Check out the Deep Dish Brown Butter Blondies recipe here!

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Ingredients

• 1 cup unsalted butter, 2 sticks
• 1 cup dark brown sugar
• ½ cup granulated sugar
• 2 large eggs
• 1 egg yolk
• 1 tbsp vanilla extract
• 2 cups all-purpose flour
• 1 tsp baking powder
• ½ tsp baking soda
• ½ tsp sea salt
• 1 ¼ cups chopped nuts, optional

Method

1. In a medium saucepan, melt the butter over medium heat.
2. Continue cooking, stirring frequently, until the butter foams, turns golden brown, and releases a nutty aroma (about 5-8 minutes).
3. Remove from heat and pour the browned butter into a large mixing bowl. Allow it to cool slightly (about 10 minutes).
4. Preheat your oven to 350°F (175°C).
5. Grease a 9×9-inch deep baking dish or line it with parchment paper, leaving an overhang for easy removal.
6. To the cooled brown butter, add brown sugar and granulated sugar. Whisk until smooth.
7. Add the eggs, egg yolk, and vanilla extract, and whisk until fully incorporated.
8. In a separate bowl, whisk together the flour, baking powder, baking soda, and salt.
9. Gradually add the dry ingredients to the wet ingredients, mixing until combined.
10. Fold in your nuts (if using), ensuring they're evenly distributed.
11. Spread the batter evenly into the prepared baking dish.
12. Bake in the preheated oven for 30-35 minutes, or until the edges are golden brown and a toothpick inserted in the center comes out with a few moist crumbs.
13. If you like a gooey center, bake closer to 30 minutes; for a firmer texture, bake closer to 35 minutes.
14. Let the blondies cool in the pan for at least 20 minutes before slicing.
15. Lift the blondies out using the parchment paper overhang and cut into squares or rectangles.