Roll out the pastry so that it fits in the tart pan without stretching.
Remove excess dough from edges, cover with foil, then with either dried beans or pie weights.
Bake for 20 minutes or until light brown.
While quiche shell is baking, beat eggs and mix with milk and season with salt and black pepper. Season spinach to taste with salt and pepper then add to egg/milk mixture.
When quiche shell has finished baking, gently remove foil and weights and allow to cool slightly.
Lay ham down in on bottom of crust, then pour over egg and spinach mixture.
Place quiche in 375° oven and bake for additional 25 minutes, or until eggs have set.