Ingredients

• 1 cup (225g) unsalted butter, melted
• 2 cups granulated sugar
• 4 large eggs
• 1 tsp vanilla extract
• 1 cup unsweetened cocoa powder
• 1 cup all-purpose flour
• ½ tsp salt
• ½ tsp baking powder
• 1 cup chocolate chips (optional)

Instructions

1. Preheat the oven to 175°C (350°F).
2. Grease and line an 8x8-inch baking pan with parchment paper.
3. In a large bowl, whisk together melted butter and sugar.
4. Add eggs and vanilla extract, mixing until smooth.
5. Sift in cocoa powder, flour, salt, and baking powder.
6. Mix gently until just combined.
7. Fold in chocolate chips if using.
8. Pour the batter into the prepared pan and spread evenly.
9. Bake for 25–30 minutes.
10. Allow to cool completely before slicing into squares.