Ingredients
Pastry
250g plain flour
Pinch of sea salt
125g unsalted butter
75ml milk
Filling
350g spinach, any tough stalks removed
1tbsp rapeseed or olive oil
1 medium onion, finely chopped
1 garlic clove, finely chopped
125g goat's cheese or ricotta
50g Parmesan, finely grated (optional)
A pinch of freshly grated nutmeg
A handful of thyme sprigs (lemon thyme is particularly good), chopped
1 tsp finely grated lemon zest (optional)
1 egg, lightly beaten
Sea salt and freshly ground black pepper