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Small green plate with a serving of brown crumble, plum and a scoop of vanilla ice cream.

Plum Crumble with Crunchy Walnut and Oat Topping

Ripe plums sprinkled with cinnamon sugar and topped with a crunchy walnut and oat crumbs. 2 mins to mix. 20 mins to bake. And your plum crumble is ready!
Course Dessert
Cuisine American, British
Keyword Crumble, Oat, Plum, Walnut
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 6 servings
Calories 433kcal


Simple Plum Crumble Filling

Crunchy Walnut Oat Crumble Topping


Simple Plum Crumble Filling

  • Wash the plums. Cut them in half and take the seeds out. (You can cut them in quarters or smaller pieces to have them more tender and mushy after baking.)
  • Scatter the plum pieces in a shallow ovenproof dish and sprinkle them with cinnamon and coconut sugar

Crunchy Walnut Oat Crumble Topping

  • Pre-heat oven for 350 F (180 degrees).
  • If you have whole walnuts, chop them finely in a food processor.
  • When walnuts are finely chopped, add all other ingredients to the food processor: rolled oats, coconut sugar, butter (should be fridge cold, not room temperature) and brown rice flour. Mix thoroughly to get a breadcrumb-like texture. 
  • Scatter the crumble topping evenly over the plums. 
  • Bake for 20 minutes or until the crumble topping turns golden brown. Serve it warm with vanilla ice cream that melts all over it. 



Serving: 1serving | Calories: 433kcal | Carbohydrates: 49g | Protein: 6g | Fat: 25g | Saturated Fat: 5g | Polyunsaturated Fat: 11.5g | Monounsaturated Fat: 6.5g | Sodium: 66mg | Potassium: 250mg | Fiber: 4g | Sugar: 27g | Vitamin A: 1600IU | Vitamin C: 2.5mg | Calcium: 35mg | Iron: 1.6mg