Preheat the oven to 170°C. Line a 25 x 20cm oven proof dish or cake tin with baking paper and grease with nonstick spray.
1. Brownies Melt the margarine in a saucepan or pot over medium heat. Add the chocolate and stir over low heat until melted. Immediately remove from the heat.
2. Beat the sugar and eggs in a mixing bowl. Add a third of the chocolate mixture and mix well. Add the rest of the chocolate mixture and mix until well combined.