Vanilla Brookies

Instructions

1. 1

   Preheat the oven to 180°C (350°F). Line an 18x18 cm baking dish with parchment paper.

2. 2

   In a medium bowl, whisk together flour, oats, brown sugar, baking powder, and salt.

   Tip: Mix until well combined.

3. 3

   In a large bowl, cream butter and granulated sugar until light and fluffy.

   Tip: Use an electric mixer for best results.

4. 4

   Beat in eggs one at a time, followed by vanilla extract.

   Tip: Scrape down the sides of the bowl as needed.

5. 5

   Melt chocolate chips in a double boiler or in the microwave in 30-second increments, stirring between each interval.

   Tip: Set aside to cool slightly.

6. 6

   Combine flour mixture and melted chocolate mixture, stirring until just combined.

   Tip: Do not overmix.

7. 7

   Fold in chopped walnuts.

   Tip: Be gentle to avoid crushing the walnuts.

8. 8

   Pour batter into prepared baking dish.

   Tip: Smooth the top with a spatula.

9. 9

   Prepare streusel topping by mixing together flour, oats, brown sugar, and butter until crumbly.

   Tip: Use your fingers or a pastry blender to work the butter into the dry ingredients.

10. 10

    Sprinkle streusel topping evenly over the batter.

    Tip: Press the topping gently into the batter to ensure it adheres.

11. 11

    Bake for 40 minutes or until a toothpick inserted into the center comes out clean.

    Tip: Rotate the dish halfway through baking to ensure even browning.

12. 12

    Let cool in the dish for 10 minutes before transferring to a wire rack to cool completely.

    Tip: Serve warm or at room temperature.