This week's recipe is a quick and easy one and it makes a change from a normal toasted sandwich. Croissant Croque Monsieur Ingredients 4 croissants 8 slices good quality ham 2/3 cup grated gruyere cheese Béchamel  Sauce: 1 tbsp butter 2 tbsp plain flour 1 1/2 cups whole milk 1/4 cup grated Parmesan cheese a pinch of freshly grated nutmeg 1 teaspoon dijon mustard salt & freshly ground black pepper to taste Method You can make the Béchamel Sauce either on the stove top, or in the microwave. The method is very similar. On the stove top, heat the butter in a saucepan over a gentle heat until just melted. Stir in the flour with a wooden spoon. Add  the milk in three lots, stirring continuously, until well incorporated. Keep stirring while cooking over the heat until the sauce is thickened and smooth. If it misbehaves, just whisk it with a wire whisk until smooth - it should finish thick and silky.  Add the Parmesan, nutmeg and dijon and stir to combine. Yum. Leave to cool. (Left