Plum and Oat Crumble

Purple plums with cut halves showing golden flesh

A sharp-sweet plum filling under a buttery oat topping: a simple way to use a generous plum harvest.

Serves 4 | Preparation: 20 minutes | Cooking: 40 minutes | Total: 65 minutes

Times include the chilling, soaking or resting stated in the method. Cooking times are a guide: check tenderness and doneness before serving.

Ingredients

  • 700 g plums, stoned and halved, prepared weight

  • 50 g soft brown sugar for fruit

  • 10 g cornflour

  • ½ tsp ground cinnamon

  • 100 g plain flour

  • 60 g rolled oats

  • 75 g cold unsalted butter, cubed

  • 50 g soft brown sugar for topping

Method

  1. Heat oven to 190°C conventional / 170°C fan. Put plums in a 20 cm baking dish about 5 cm deep and toss with fruit sugar, cornflour and cinnamon.

  2. Rub butter into flour until you have a mixture of small crumbs and a few larger pieces.

  3. Stir in oats and topping sugar, then scatter loosely over the fruit without pressing down.

  4. Bake for 35–40 minutes until the topping is golden and plum juices bubble at the sides. Shield with foil if the top colours before the fruit softens.

  5. Rest for 5 minutes, then serve four portions with yoghurt or custard if wanted.

Variations and substitutions

Use half plums and half apples. Taste a raw piece of plum and adjust the fruit sugar for very tart varieties. Use a dairy-free baking block instead of butter. For gluten-free crumble use suitable flour and certified gluten-free oats.

Homegrown and seasonal produce

Use ripe fresh plums or frozen stoned plums straight from frozen; allow up to 10 minutes extra baking and check that the centre is bubbling. Discard mouldy fruit.

Storage and freezing

Cool promptly, cover and refrigerate within 2 hours at 5°C or below; eat within 48 hours. Freeze without cream, yoghurt or custard in labelled portions for up to 3 months for best quality. Defrost in the fridge and use within 24 hours. Reheat only once until piping hot throughout if serving warm.

Find more ideas in the complete recipe menu. Explore our growing guide finder and From Garden to Kitchen guide, or plan your next harvest with Your Growing Companion.

Stock photograph illustrating ingredients or a serving idea. These recipes are practical ideas to try; they are not presented as all having been tested in my kitchen.

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