
Creado con IA
Preheat your oven to 180°C (350°F) and line a square baking tin with parchment paper.
Melt the dark chocolate and unsalted butter together in a heatproof bowl over a pan of simmering water, stirring until smooth.
Remove the bowl from the heat and stir in the caster sugar until well combined.
Beat in the eggs, one at a time, mixing well after each addition.
Sift in the plain flour and fold it into the chocolate mixture until just combined.
Chop the Mars Bars into small pieces and gently fold them into the batter.
Pour the brownie batter into the prepared baking tin, spreading it evenly.
Bake in the preheated oven for 20-25 minutes, or until the edges are set and the center is slightly gooey.
Allow the brownies to cool in the tin before cutting them into squares and serving.