200g mango from a tin, roughly chopped, or other tinned fruit such as peaches or pineapple. Frozen fruit such as blueberries also works.
200g/7oz caster sugar, or soft light/dark sugar
200g/7oz self-raising flour (or ground almonds or blizted oats mixed with 1tsp bicarbonate of soda)
100²µ/3½´Ç³ú white chocolate, roughly chopped (milk or dark chocolate will also work)
240g/8½oz butter or margarine, plus extra for greasing
3 free-range eggs