METHOD
- Preheat oven to 150°C fan- forced (170°C conventional). Grease and line sides and base of a 22cm square cake pan with baking paper.
- Combine butter and chocolate in a large heatproof bowl. Stir over
a large saucepan of simmering water until smooth, then remove from heat. Cool slightly.
- Beat eggs and sugar in a large bowl with an electric mixer until light and fluffy. Stir into butter mixture, then fold in sifted flour. Pour into prepared pan and bake for 15 minutes.
- Arrange apple slices on top, then cook for a further 45 minutes. Cover with foil if over-browning.
- Cool brownie in pan, slice into squares, top with extra chocolate and pistachios, then dust with icing sugar.