How to Make Leek and Roquefort Tartlets Ingredients Cheese pastry 175g plain flour 1⁄4 tsp salt 1 tsp English mustard powder 75g butter, cut into small pieces 50g Parmesan 1 egg, beaten Filling a knob of butter 1 large leek, trimmed, washed and finely sliced 100g Roquefort, crumbled large handful of fresh parsley, chopped 2 eggs 300ml single cream ...
