Quiche Lorraine

Name: Quiche Lorraine
Ingredients: 175g/6oz plain flour, plus extra for dusting; Salt; 75g/2¾oz butter, plus extra for greasing; (alternatively use ready made pastry); 250g/9oz english cheddar, grated; 4 tomatoes, sliced (optional); 200g/7oz bacon, chopped; 5 eggs, beaten; 100ml/3½fl oz milk; 200ml/7fl oz double cream; Freshly ground black pepper; 2 sprigs of fresh thyme