- 250g/9oz cold unsalted butter, cut into small chunks
- 400g/14oz plain flour
- 200g/7oz golden caster sugar
- pinch salt
- 700g/1½lb rhubarb, trimmed, chopped into 2.5cm/1in pieces
- 2 tbsp golden caster sugar, plus extra for sprinkling
- ½ lemon, juice only
- knob of unsalted butter
- Guernsey cream
- Preheat the oven to 180C/350F/Gas 4.
- Place all the ingredients for the crumble mixture in a large bowl.
- Rub the butter into the flour, sugar and salt, lifting and dropping the mixture lightly through your fingers.
- Pile the rhubarb into a buttered earthenware dish. Sprinkle over with the sugar, pour over the lemon juice and distribute the flakes of butter over the fruit.
- Cover the fruit with the crumble mixture, sprinkle over a little extra golden caster sugar. Place into the oven and bake for 35-40 minutes, or until golden on top and the jammy juices are oozing up around the edges of the dish.
- Serve with lovely and thick Guernsey cream.