This dessert layers sweetened rhubarb with chopped stem ginger under a golden topping made of flour, butter, and sugar. The ginger enhances the flavor of the rhubarb without overpowering it, giving the crumble a slightly spicy, fragrant edge that elevates the traditional recipe.
Rhubarb (900g / 2 lbs, trimmed and chopped into 1-inch pieces)
Caster Sugar (175g / ¾ cup)
Stem Ginger (3–4 balls in syrup, finely chopped)
Syrup from Stem Ginger (2 tbsp)
Optional: ½ tsp ground ginger for extra spice
Plain Flour (175g / 1¼ cups)
Cold Butter (115g / ½ cup, diced)
Demerara Sugar or Caster Sugar (85g / ⅓ cup)