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Classic British Rhubarb Crumble

classic british rhubarb crumble - featured image
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A nostalgic British dessert featuring a tart rhubarb filling topped with a crunchy, buttery oat topping. Easy to make and perfect for spring and early summer.

Ingredients

  • Rhubarb stalks, chopped into 1-inch pieces (about 500g / 1 lb)
  • Granulated sugar (100g / ½ cup), adjust to taste
  • Fresh lemon juice (1 tablespoon)
  • Vanilla extract (1 teaspoon, optional)
  • Rolled oats (150g / 1½ cups)
  • All-purpose flour (100g / ¾ cup), can substitute gluten-free flour
  • Light brown sugar, packed (100g / ½ cup)
  • Unsalted butter, cold and diced (115g / 8 tablespoons)
  • Ground cinnamon (½ teaspoon, optional)
  • A pinch of salt

Instructions

  1. Preheat your oven to 180°C (350°F).
  2. In a mixing bowl, toss the chopped rhubarb with granulated sugar, lemon juice, and vanilla extract. Let sit for 10 minutes.
  3. In a separate bowl, combine rolled oats, all-purpose flour, light brown sugar, ground cinnamon, and a pinch of salt.
  4. Rub the cold diced butter into the oat-flour-sugar mixture using a pastry cutter, fork, or fingertips until crumbly with pea-sized chunks.
  5. Pour the rhubarb mixture into an ovenproof baking dish and spread evenly.
  6. Sprinkle the oat topping evenly over the rhubarb, covering completely.
  7. Bake for 35-40 minutes until the topping is golden brown and rhubarb is bubbling. Tent with foil if topping browns too quickly.
  8. Let the crumble cool slightly for 10-15 minutes before serving.

Notes

Keep butter cold when making the topping to ensure a crumbly texture. Adjust sugar based on rhubarb tartness. Tent with foil if topping browns too fast. Let crumble rest before serving to thicken juices. Can add nuts or spices for variation. Use gluten-free flour and oats for gluten-free version. Use plant-based butter for dairy-free adaptation.

Nutrition

Keywords: rhubarb crumble, British dessert, oat topping, easy crumble recipe, spring dessert, homemade crumble

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