With a Cheddar & oat crumble topping
If you prefer your creamed spinach to be textured rather than silky, simply skip the blitzing stage at step 6, and fold the crème fraîche through the spinach.
To get ahead, put this together a few days in advance, then simply keep it in the fridge until you’re ready to bake it. On the rare occasion that you have leftovers of this dish, it’s amazing dotted on pizza, or blobbed into an omelette or frittata.