Cube 2 slices of bread, place in the bottom of an 8x8 inch baking dish.
In a large mixing bowl, add the turkey, vegetables, mayo, salt, and pepper. Mix together.
Spoon mixture over the bread cubes in the baking pan.
Trim crusts off the remaining 4 slices of bread and arrange them on top of the turkey mixture.
In a mixing bowl, mix together the eggs and milk. Pour over the bread in the baking pan. Cover the pan and place in the fridge for at least 1 hour or as long as overnight.
When ready to bake, preheat your oven to 160° C (325° F).
Spoon the soup over the top of the bread.
Bake for 1 hour or until set, sprinkle cheese on top during the last few minutes.
Serve and enjoy.