Preheat the oven to 200 oC
Layer 2 slices of gluten free bread with the cheese, ham and pesto
Sandwich together with the reamining slices of bread
Beat together the egg, milk and seasoning
Dip the sandwiches in the egg mix
Fry for a couple of minutes on each side in a shallow pan over a medium heat
Transfer to a baking sheet and bake in the oven for 5 minutes
Serve with a side salad