Rhubarb crumble bars

Rhubarb crumble bars

    • Makes14
    • CourseSnack
    • Prepare20 mins
    • Cook1 hr 20 mins
    • Total time1 hr 40 mins
    • 400g forced rhubarb, chopped into small pieces
    • 100g caster sugar
    • 200g butter
    • 200g plain flour
    • 170g soft light brown sugar
    • 1 tsp ground ginger
    • 30g rolled oats
    • 1 medium Waitrose British Blacktail Free Range Egg, yolk only