Instructions

1. 1

   Preheat the oven to 170°C (340°F). Line a square baking tin with parchment paper.

2. 2

   Melt butter and chocolate together, then let cool slightly.

3. 3

   Add sugar, eggs (or egg substitute), and vanilla. Mix until smooth.

4. 4

   Fold in the flour and any mix-ins like nuts or chocolate chips.

5. 5

   Pour batter into the prepared tin and spread evenly.

6. 6

   Bake for 20-25 minutes until set but still fudgy in the center.

7. 7

   Let cool completely before cutting into squares.