Ingredients:
- 150 grams (5oz) plain flour
- Pinch of salt
- 65 grams (21/2oz) cold, unsalted butter, diced
- 25 grams (1oz) sugar
- 1 large egg, beaten
- 250 grams tub mascarpone
- 200 grams (7oz) bar good quality white chocolate
- 284 ml carton double cream
- 3 bananas