1 tbsp lemon juice
475g/1lb 2oz rhubarb, cut into 5cm/2in pieces
drop red food colouring
350g/12oz caster sugar
5²µ/â…›o³ú caster sugar
50²µ/1¾´Ç³ú demerara sugar
100²µ/3½´Ç³ú icing sugar
pinch salt
½ tsp salt
50²µ/1¾´Ç³ú strong white flour
100²µ/3½´Ç³ú strong white flour
50²µ/1¾´Ç³ú unsalted butter, softened
100²µ/3½´Ç³ú unsalted butter
250g/9oz clotted cream
3–4 free-range eggs
100ml/3½fl oz full-fat milk