You can’t go wrong with a classic rhubarb crumble. Always try to use forced rhubarb, it’s the best you can buy! it’s in season from January to April. The long pink stems make a vibrant crumble.
First, poach the rhubarb. Place in a large bowl. Place 600 ml water, the sugar, grenadine or Ribena and ginger in a pan. Bring to the boil, remove from the heat and pour over the rhubarb. Cover the bowl with cling film several times, making it airtight. Leave for 20 minutes, then remove the rhubarb and set aside.