This recipe is a simple no-churn variety, rippled with tangy rhubarb, then sandwiched between two crisp, custardy biscuits ... Add the flour and custard powder and mix to form a ball of dough.
Sprinkle over crushed ratafia biscuits and level gently with the back of a metal spoon. 4 Carefully pour over the custard. 5 Decorate with blobs of softly whipped cream and sprinkle with flaked ...
Preheat oven to 165°C fan/185°C/gas mark 5. While you are waiting for the biscuits to set, make the custard buttercream. Add all the ingredients, except the soy milk, to a bowl. Use an electric ...