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Ultimate Toffee Brownies

These decadent toffee brownies feature a dense, fudgy interior, a signature chewy edge, and a delightful crunch from buttery toffee bits. A simple, one-bowl recipe that delivers professional results every time.
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Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings: 16 servings
Course: Dessert
Cuisine: American
Calories: 320
Ingredients Equipment Method Notes

Ingredients
  

  • 1 cup Unsalted butter melted and slightly cooled
  • 2 cups Granulated sugar
  • 4 large Eggs at room temperature
  • 2 tsp Pure vanilla extract
  • 1 cup All-purpose flour spooned and leveled
  • 1 cup Unsweetened cocoa powder natural or Dutch-processed, sifted
  • 1/2 tsp Salt
  • 1 1/2 cups Toffee bits such as Heath bits, divided (1 cup for batter, 1/2 cup for topping)
  • 1 cup Semi-sweet chocolate chips optional, for extra fudginess

Equipment

  • 9x13 inch metal baking pan
  • Parchment paper
  • Large mixing bowl
  • Whisk and spatula
  • Wire cooling rack
  • Fine-mesh sieve (for sifting)

Method
 

  1. Preheat your oven to 350°F (175°C). Line a 9x13 inch metal baking pan with parchment paper, leaving an overhang on two sides for easy removal. Lightly grease any exposed pan. This setup is non-negotiable for perfect, clean-edged brownies.
  2. In a large mixing bowl, whisk together the melted, cooled butter and granulated sugar for about 1 minute until well combined. Add the room-temperature eggs one at a time, whisking vigorously after each addition until the mixture is thick, smooth, and slightly pale. Whisk in the vanilla extract. This step incorporates air, which helps create that shiny, crackly top.
  3. Sift the flour, cocoa powder, and salt directly into the wet ingredients. Using a spatula, fold gently until just combined and no dry streaks remain. Overmixing develops gluten, leading to cakey brownies—we want fudgy. Fold in 1 cup of the toffee bits and the chocolate chips, if using.
  4. Pour the thick batter into your prepared pan, spreading it evenly into the corners. Sprinkle the remaining 1/2 cup of toffee bits evenly over the top. Bake on the center rack for 30-35 minutes. The brownies are done when a toothpick inserted 2 inches from the edge comes out with a few moist crumbs, but the center is set.
  5. Transfer the pan to a wire cooling rack. This is the hardest part: let the brownies cool completely in the pan, about 2 hours. They continue to set as they cool. Use the parchment overhang to lift the entire slab out before cutting into squares with a sharp knife. Serve and enjoy the perfect blend of fudgy, chewy, and crunchy.

Notes

Chef's Tips:
• For super clean cuts, chill the cooled brownie slab for 20 minutes before slicing with a hot knife.
• The most common mistake is overbaking. Remember, a few crumbs on the toothpick is perfect.
• Serve slightly warm with a scoop of vanilla ice cream for the ultimate dessert.
Food Safety:
• Use pasteurized eggs if concerned about consuming raw batter.
• Store cooled brownies in an airtight container at room temperature for up to 4 days.