Ham, spinach and cheese quiche

1 9-inch (23 cm) pre-baked pie crust

1/2 lb (225 g) Lafleur Smoked Ham

15 ml (1 tbsp.) olive oil

1 onion, chopped

30 ml (2 tbsp.) maple syrup

4 eggs

250 ml (1 cup) 10% cream

1 pinch nutmeg

1 pinch Cayenne pepper

Fresh ground pepper, to taste

125 g (½ cup) grated mozzarella

125 g (½ cup) grated emmental

250 ml (1 cup) chopped frozen spinach, thawed and well drained, or fresh spinach, blanched and well drained