Dot's Macadamia Brownies

150g unsalted butter (chopped) 250g dark cooking chocolate, chopped (I used Cadbury's because the recipe was on the packet & just broke it into squares) 1 1/2 cups caster sugar 4 eggs, lightly beaten 1 teasp vanilla essence (mine had dried up, so I used almond essence) 1 cup plain flour, sifted 1/2 cup sour cream 1 cup macadamia nuts, cut in halves
1. Preheat oven to 160 degrees Centigrade (or 140 fan-forced). Line a 20 x 30cm slice pan with baking paper
2. Combine butter & chocolate in medium saucepan; stir over low heat until chocolate is just melted. Add sugar, egg, vanilla, flour, sour cream & nuts. Stir unti well-combined. Spread mixture into prepared pan.
3. Bake for 35 mins or until brownie forms crust on the outside. Allow to cool and slice
4. Run four times around the block between each mouthful!