Step 1

Heat the oven to 190C/fan 170C/gas Toss the apple slices with the golden caster sugar and cinnamon, then tip into a deep, round 25cm baking dish.

Step 2

In a separate bowl, mix together the flour, sugar and oats, then tip in the melted coconut oil and a pinch of salt, and mix well. Tip onto the apples, spreading to roughly cover, then bake in the oven for 45 minutes until the sauce is bubbling up around the sides. Switch the oven to the grill and cook for 4-5 minutes until golden on top. Serve with custard.