Preheat the oven to 200°c (180 fan/ Gas 6).
Sprinkle the ground almonds into the bottom of a medium pie dish.
2 tablespoon Ground Almonds
Top with the frozen berries, light brown sugar, and orange zest and give it all a mix.
750 g Frozen Mixed Berries, ½ teaspoon Orange Zest, 2 tablespoon Light Brown Sugar
Pour the melted butter over the plain flour, oats, and brown sugar for the crumble topping and mix together with a metal spoon until you get small crumbly clusters form.
125 g Plain Flour, 125 g Rolled Oats, 125 g Butter, 150 g Light Brown Sugar