4 slices white bread
butter to spread, plus extra to fry
Dijon mustard, to taste
125g/4oz Gruyère cheese, sliced
4 slices ham
1 Butter both sides of each slice of bread. Spread one side of two slices with mustard. Divide the cheese and ham between them Top with the other slices and press down.
2 Butter a griddle and heat until hot. Fry the sandwiches for 2–3 minutes on each side until golden. Cut in half and serve.