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Chewy Biscoff blondies baked in one bowl, topped with Biscoff spread.

Chewy One-Bowl Biscoff Blondies

Delightful bars combining the rich flavors of Biscoff cookies with a chewy texture, perfect for any occasion.
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Course Dessert
Cuisine American
Servings 16 pieces
Calories 225 kcal

Ingredients
  

Main Ingredients

  • 22 cookies Biscoff or Speculoos cookies, divided Provides a unique flavor profile with caramel and spice notes.
  • ½ cup unsalted butter, melted Adds richness and moisture.
  • ½ cup Biscoff cookie butter spread Enhances taste and texture.
  • ½ cup packed dark or light brown sugar Brings deep, molasses-like sweetness.
  • ⅓ cup granulated sugar Adds sweetness and helps create a crisp top.
  • ½ teaspoon kosher salt Balances sweetness and enhances flavors.
  • 1 large egg Contributes to chewiness.
  • 1 large egg yolk Adds moisture.
  • 2 teaspoons pure vanilla extract Enhances overall flavor.
  • 1 cup all-purpose flour Forms the base of the blondies.

Instructions
 

Preparation

  • Preheat your oven to 350°F (175°C) and prepare an 8×8 baking pan by lining it with parchment paper or aluminum foil.
  • Chop 8 of the Biscoff cookies into small pieces, similar in size to large blueberries.
  • In a medium to large bowl, whisk together the melted butter and cookie butter until smooth and creamy.
  • Add the brown sugar, granulated sugar, and kosher salt to the bowl, whisking until well combined.
  • Incorporate the egg and egg yolk, along with vanilla extract, whisking until thoroughly blended.
  • Add the flour to the wet ingredients and fold until only a bit of flour remains visible. Gently mix in the chopped Biscoff cookies.

Baking

  • Arrange the remaining Biscoff cookies at the bottom of the prepared pan and spoon the batter over evenly.
  • Bake in the preheated oven for about 20-25 minutes, or until the edges are set and a toothpick comes out with a few moist crumbs.
  • Let cool in the pan on a wire cooling rack for about 1-2 hours before slicing.
  • For added flavor, drizzle melted cookie butter over the cooled blondies before cutting.

Notes

For an extra rich flavor, consider using a mix of dark and light brown sugar. You can add nuts or chocolate chips for a twist. Store in an airtight container for up to 4-5 days.
Keyword Biscoff Blondies, Blondies, Chewy Bars, Easy Dessert, One-Bowl Recipe