Serves 4
Ingredients50g butter50g flour600ml milk3 handfuls grated cheddar2 tsp mustard400g cooked pasta2 tomatoes, sliced2 handfuls breadcrumbs
Method1 Melt butter in pan, add flour and cook for 2 min, stirring. Gradually add milk, whisking to avoid lumps. Simmer for 10 min. Add 2 handfuls cheese and the mustard. Season.
2 Combine with cooked pasta in baking dish. Top with tomatoes, breadcrumbs and remaining cheese. Bake at 180C/gas 4 for 20 min.