Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 350°F (175°C). Line an 8x8-inch baking dish with parchment paper.

- Melt 10 tablespoons of unsalted butter over medium heat until it turns a deep golden color.

- Pour the brown butter into a mixing bowl and mix with 1 cup of packed brown sugar until smooth.

- Add 1 whole egg and 1 egg yolk, mixing thoroughly, then stir in ⅓ cup of Biscoff cookie butter.

- Gently fold in ½ teaspoon of salt and 1¼ cups of all-purpose flour until just combined.

- Incorporate 3.5 ounces of chopped chocolate into the batter.

- Pour the batter into the prepared baking dish and spread evenly.

- Bake for 20-25 minutes, checking for doneness with a toothpick.

- Allow to cool completely in the pan before slicing into squares.

Nutrition
Notes
Use room temperature eggs for better mixing and gentle folding of the flour to maintain chewy texture. Store in an airtight container for freshness.
