Makes 8
8 slices challah or brioche
3 tsp Dijon mustard
4 slices leg ham
8 slices gruyere cheese
2 eggs
2 Tbs milk
40g butter
1 Preheat oven to 180C. Divide the mustard between 4 slices of bread and spread.
2 Top with the ham and cheese. Whisk eggs and milk together..
3 Heat a