Preheat the oven to 200°C/180°C fan/Gas Mark 6.
Place the spinach in a large saucepan with a little water and cover with a lid. Place over a medium heat and cook for a few minutes until the spinach has just wilted. Drain and squeeze out any excess moisture.
Cut the potatoes and squash into bite-size chunks. Boil in a large pan for 5 minutes until the potatoes are just soft, drain and set aside.
Whisk together the milk and egg, season, stir in the nutmeg and set aside. Place the potatoes and squash into a small rectangular roasting tin, add the spinach then pour over the egg mix.
Sprinkle over the cheese and breadcrumbs and bake in the oven for 30-35 minutes until golden brown on top. Serve immediately.
A good source of antioxidants and 2 of your 5-a-day.
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