Brown Butter Chocolate Chip Blondies

These brown butter chocolate chip blondies are the quickest way to get a warm, fudgy dessert on the table. With just 10 minutes of prep and 20 minutes in the oven, they deliver chewy edges, a soft center, and molten pools of chocolate in every bite.

The brown butter adds a deep, nutty flavor that makes these squares taste far more indulgent than their simple ingredient list suggests.

Blondies are the understated cousin of brownies — but when you brown the butter first, they become something truly special. The nutty aroma of toasted butter infuses the entire batter, while the combination of brown and granulated sugars creates a chewy texture with crisp edges and a tender middle.

Chocolate chips melt into puddles as the bars bake, so every square breaks open with gooey, molten chocolate.

This recipe comes together in one bowl and uses pantry staples, making it perfect for last-minute cravings or impromptu gatherings. Serve them warm for the full molten effect, or let them cool for a firmer, chewier bite.

Ingredients

Why this recipe works

Browning the butter is the secret here. As the butter cooks, its milk solids toast and develop compounds that taste nutty and caramel-like, adding a depth of flavor that plain melted butter simply cannot match. This simple step transforms the blondies from sweet to sophisticated, with a rich aroma that fills the kitchen.

The combination of brown sugar and granulated sugar is equally important. Brown sugar brings moisture and a hint of molasses, while granulated sugar helps the edges crisp up.

The result is a bar that is chewy at the edges, tender in the center, and studded with chocolate that stays molten long after the blondies come out of the oven.

Notes and substitutions

Use good-quality chocolate chips — the better the chocolate, the richer the molten pools. If you prefer, chop a chocolate bar into chunks for irregular pockets of melted chocolate. For a more intense chocolate flavor, use dark chocolate chips, but note that they will be less sweet than milk chocolate.

The egg must be at room temperature to blend smoothly into the warm butter and sugar mixture. If you forget to take it out in advance, place the egg in a bowl of warm water for 5 minutes. The pan should be lined with parchment paper for easy removal — leave an overhang on two sides to lift the whole slab out cleanly.

• vanilla bean paste: 1 tablespoon vanilla extract or the seeds from 1 vanilla bean
• salted butter: Unsalted butter plus 1/4 teaspoon salt, added with the flour
• neutral oil: Melted coconut oil or additional melted butter
• chocolate chips: Chopped dark chocolate or chocolate chunks

Equipment

• Small saucepan
• Mixing bowl
• Whisk
• 8x8-inch baking pan
• Parchment paper
• Rubber spatula