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Rhubarb Crumble Slices

Published: Updated:

20 Reviews

Total Time
50m
Prep Time
20m
Bake Time
30m
Serves 16
Serves 16
intermediate
A little effort

About the Crumble Slices

Want to make a crumble that's easier to share? Try these delicious crumble slices, with tangy rhubarb and a crunchy oat base, so good you'll sneak a second (or third)!

Whether rhubarb has you in a whirl, or oats are your thing we have some yummy recipes waiting to be baked and enjoyed. Our Rhubarb and custard tarts taste just like rhubarb and custard boiled sweets, or try a delicious traybake cut into slices and shared at a coffee morning. Jane's Patisserie's Rhubarb and Custard Blondies does the trick.

12 ingredients8 steps

    Method

    1. Step 1

      Preheat the oven to 180°C (fan 160°C, gas mark 4). Grease and line a shallow 20cm x 30cm tin with baking parchment.

    2. Step 2

      Sift the flour into the bowl, add the sugar and butter and rub together until it starts to come together, use a food processor if desired. Mix through the oats with clean hands to combine.

      Ingredients for this step

      • 180gAllinson's Self-Raising White Flour
      • 110gBillington's Unrefined Golden Caster Sugar
      • 180gSalted butter
      • 250gPorridge oats
    3. Step 3

      Press the oaty mixture into the base of the pan until even.

    4. Step 4

      Toss the rhubarb with the sugar and extract and sprinkle evenly over the oaty mixture.

      Ingredients for this step

      • 400gRhubarb (trimmed & chopped to 3cm lengths)
      • 110gBillington's Unrefined Golden Caster Sugar
      • 1 tspNielsen-Massey Vanilla Extract
    5. Step 5

      For the topping add the sugar, flour and butter to a bowl and use your fingers to blend to form clumps that range in sizes. Stir through the flaked almonds.

      Ingredients for this step

      • 110gBillington's unrefined demerara sugar
      • 80gAllinson's plain white flour
      • 75gSalted butter (room temperature)
      • 50gAlmonds (flaked)
    6. Step 6

      Sprinkle the topping over the rhubarb and bake in the preheated oven for 30 minutes or until golden. Let it cool in the tin.

    7. Step 7

      Melt the white chocolate and either pipe or drizzle all over the top of the crumble topping.

      Ingredients for this step

      • 40gWhite chocolate
    8. Step 8

      Cool before refrigerating, cut into slices before serving.

    Ingredients

    • For the Base

      • 180gAllinson's Self-Raising White Flour 
      • 110gBillington's Unrefined Golden Caster Sugar 
      • 180gSalted butter 
      • 250gPorridge oats 
    • For the Filling

      • 400gRhubarb (trimmed & chopped to 3cm lengths) 
      • 150gBillington's Unrefined Golden Caster Sugar 
      • 1 tspNielsen-Massey Vanilla Extract 
    • For the Topping

      • 110gBillington's unrefined demerara sugar 
      • 80gAllinson's plain white flour 
      • 75gSalted butter (room temperature) 
      • 50gAlmonds (flaked) 
      • 40gWhite chocolate 

    Utensils

    • 20 x 30cm tin
    • Baking paper
    • Bowl

    20 Baker Ratings

    Best rhubarb slice!!!

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    Absolutely delicious and so easy to make. You just need good rhubarb!

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