Quarter the apples and remove the core, slice them up and put them in the dish.
My husband doesn’t like the peel, but you can leave it on if you like, you get more apple. I like it unpeeled. No need for sugar
Put all the topping ingredients in a bowl and stir them well. It will be quite a wet mixture. Spread it evenly over the fruit, doesn’t matter at all if the fruit shows through, it all melds together when cooked
Cook in a medium oven for 40 minutes – it needs that long to cook the apples through.
If you are following meal plan three, you can have all of this crumble for your second meal on Day 7 if you wish, or you could save 2 portions for another day, up to youSee the post for lots of ideas for variations