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Brown Butter Toffee Chocolate Chip Cookies

Get ready to indulge in the ultimate chocolate chip cookie experience! This elevated cookie features decadent chunks of easy-to-make homemade brown sugar toffee, rich brown butter for that irresistible nutty flavor, and generous pockets of luscious, melty chocolate. Each bite is a medley of textures and flavors, from the crisp edges that give way to a chewy center to the delightful crunch of toffee and the velvety smoothness of melted chocolate. The final flourish is a sprinkling of flaky sea salt that enhances all the other delightful flavors in this incredible cookie, sure to become a staple in your baking repertoire.

Tasty Team
93% would make again
Brown Butter Toffee Chocolate Chip Cookies


for 9 cookies


  • 6 tablespoons unsalted butter
  • ¾ cup light brown sugar (165 g), lightly packed
  • 1 teaspoon kosher salt
  • water, as needed

Cookie Dough

  • 1 cup unsalted butter (225 g)
  • 4 ice cubes
  • ¾ cup granulated sugar (150 g)
  • 1 ½ cups dark brown sugar (330 g), packed
  • 2 teaspoons espresso powder
  • 2 teaspoons kosher salt
  • ½ teaspoon baking soda
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 2 ½ cups all purpose flour (315 g)
  • 6 oz cacao chocolate (150 g), 50-70% cacao, chopped
  • flaky sea salt, for sprinkling

Nutrition Info

  • Calories 611
  • Fat 31g
  • Carbs 74g
  • Fiber 21g
  • Sugar 38g
  • Protein 9g

Estimated values based on one serving size.


  1. Make the toffee: Line a baking sheet with parchment paper.
  2. In a medium nonstick saucepan over medium heat, melt the butter, brown sugar, and salt, stirring until evenly incorporated. If there are grainy lumps or if the fat starts to separate, add a couple splashes of water and stir vigorously to emulsify. Continue to cook, stirring constantly, until the mixture reaches 290°F (143°C), about 10-15 minutes.
  3. Pour the toffee onto the prepared baking sheet and spread out slightly with a spatula. Freeze until ready to use, about 30 minutes.
  4. Make the cookie dough: Add the butter to a medium nonstick saucepan over medium-high heat. Cook, stirring occasionally, until the butter turns dark brown and smells nutty. Watch carefully so the butter does not burn. Remove the pot from the heat.
  5. Add an ice cube to the butter and slowly let it melt. It may froth and bubble. Add the remaining 3 ice cubes and gently stir until melted.
  6. In a large bowl, combine the granulated and brown sugar, espresso powder, salt, and baking soda.
  7. Pour the brown butter into the sugar mixture and mix until combined. Don’t worry if it looks separated.
  8. In a small bowl, whisk together the eggs and vanilla. Pour into the sugar and butter mixture and whisk until glossy and smooth.
  9. Add the flour and fold with a rubber spatula to incorporate until the dough has no visible flour streaks.
  10. Remove the toffee from the freezer (it should be a frozen disc) and break it into chunks that will fit inside a gallon zip-top bag. Double bag the toffee and seal both bags. With a rolling pin, break the toffee into small pieces.
  11. Fold the crushed toffee and chopped chocolate into the dough until evenly distributed.
  12. Using a large ice cream scoop or a ½ cup (65 g) measure, scoop the dough onto a parchment-lined baking sheet. Wrap the baking sheet in plastic wrap, but leave a small opening at the corner of the tray. Let the dough rest in the refrigerator for at least 36 hours. This will allow the flavor to develop and the dough to dry out a little as it rests, which will result in less spread when it bakes.
  13. When ready to bake, preheat the oven to 325°F (163°C). Line 2 baking sheet with parchment paper.
  14. Arrange the cookies on the baking sheets, leaving at least 2 inches (5 cm) of space between the cookies and away from the edges of the pan.
  15. Bake for 18-20 minutes, until the cookies are golden brown with crispy edges but still slightly soft in the center.
  16. Immediately sprinkle the cookies with flaky sea salt. then let cool completely. The cookies will be very soft at first but will set after they are fully cooled.
  17. Enjoy!
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Brown Butter Toffee Chocolate Chip Cookies