This tart is not only delicious but also makes the most of leftover ham and cheese. The true highlight of dish however is the caramelised red onions.
For the pastry:
225g plain flour, plus extra for dusting
A pinch of salt
125g cold butter, cut into pieces
For the filling:
2 tbsp olive oil
4 large red onions, peeled, halved and sliced into half moons
Sea salt and freshly ground black pepper
3 large eggs
300ml double cream
150g of leftover cheese, chopped up or crumbled
200g of leftover ham, chopped
A few fresh thyme sprigs, leaves only
To serve:
Green salad
A 28cm (11in) quiche tin with removable base
Large frying pan
Large bowl