Gluten-Free Raspberry, Blueberry And Pistachio-Almond Crumble

Ingredients

• 1-1/4 cups (100g) rolled oats
• 1/3 cup (50g) walnuts
• 1/3 cup (40g) blanched almonds, coarsely chopped
• ½ cup (1000g) light brown sugar
• 1 teaspoon ground cinnamon
• pinch of salt
• 7 tablespoons (100g) unsalted butter, room temperature cut into small bits
• 2 cups (246g) raspberries
• 2 cups (296g) blueberries
• ½ cup (113g) superfine sugar
• 1 teaspoon pure vanilla extract
• 2/3 cup (160ml) orange juice (freshly squeezed is best – about 2 medium oranges)
• grated zest of 1 orange
• pinch of salt
• 2 tablespoons (16g) all-purpose gf flour
• ½ teaspoon cinnamon sugar
• a dollop of vanilla ice cream or sweetened whipped cream