1 cup (226g) unsalted butter
1 cup (200g) granulated sugar
¾ cup (150g) brown sugar
3 large eggs
1 tsp vanilla extract
1 cup (120g) all-purpose flour
¾ cup (75g) unsweetened cocoa powder
½ tsp salt
150g Dairy Milk chocolate
cup caramel sauce
Preheat oven to 175°C and line a 9x9-inch baking pan with baking paper.
Whisk melted butter, sugar, and brown sugar together, then add eggs and vanilla extract until smooth.
Sift in flour, cocoa powder, and salt, then fold in chopped Dairy Milk chocolate.
Pour half of the batter into the pan, drizzle caramel sauce, and add the rest of the batter. Swirl gently.
Bake for 30-35 minutes, let cool, slice, and serve.