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Stack of butterscotch toffee cookie bars with golden-brown layers, butterscotch chips, and flaky sea salt on a rustic wooden surface

Butterscotch Toffee Cookie Bars

These Butterscotch Toffee Cookie Bars combine a rich brown butter base with butterscotch chips, white chocolate, toffee bits, and pecans for an irresistibly chewy and crunchy dessert. Perfect for any occasion, these bars offer a nostalgic flavor with a modern twist.
Prep Time 25 minutes
Cook Time 25 minutes
Chilling Time 15 minutes
Total Time 1 hour
Course Dessert
Cuisine American
Servings 24 bars
Calories 310 kcal

Equipment

  • 9x13-inch Baking Pan
  • Parchment Paper
  • Mixing Bowls
  • Electric Mixer
  • Saucepan

Ingredients
  

Cookie Base

  • 1 cup unsalted butter 2 sticks, browned
  • 2 cups all-purpose flour
  • 1 tsp baking soda
  • 1/2 tsp salt
  • 1 cup packed brown sugar dark preferred
  • 1/2 cup granulated sugar
  • 2 large eggs room temperature
  • 2 tsp vanilla extract
  • 1/4 tsp almond extract optional

Mix-ins

  • 1 cup butterscotch chips divided
  • 1 cup toffee bits divided
  • 1/2 cup white chocolate chips
  • 1/2 cup chopped pecans lightly toasted

Optional Toppings

  • flaky sea salt for sprinkling
  • vanilla ice cream for serving
  • caramel sauce for drizzling

Instructions
 

  • Preheat oven to 350°F (175°C). Line a 9x13-inch baking pan with parchment paper, leaving overhang on the sides.
  • Brown the butter in a saucepan over medium heat until golden and nutty. Cool for 10 minutes.
  • Whisk together flour, baking soda, and salt in a bowl.
  • Beat brown butter with brown and granulated sugars until combined. Add eggs, vanilla, and almond extract.
  • Gradually mix in dry ingredients. Fold in 3/4 cup butterscotch chips, 3/4 cup toffee bits, white chocolate chips, and pecans.
  • Press dough into pan. Sprinkle remaining chips and toffee bits on top. Chill for 15-20 minutes.
  • Bake for 22-25 minutes until edges are golden and center is slightly underdone. Sprinkle sea salt if using.
  • Cool in pan for at least 1 hour. Chill for 30 minutes before cutting. Lift using parchment and cut into bars.

Notes

For clean cuts, chill bars before slicing. Bars can be frozen for up to 3 months. Reheat briefly for warm gooey texture. Customize with other chips or nuts as desired.
Keyword Bars, Butterscotch, Toffee