For the patty toast, wash peppers, cut in half, remove seeds and white inner skins, and chop the fruit into small cubes.
Preheat plate grill (sandwich toaster), grease if necessary.
Peel cucumber, cut in half lengthwise, remove seeds and also dice.
Coarsely grate cheese and finely dice ham.
Mix all ingredients well and season with salt and pepper.
Lightly butter the toast slices and spread the filling on half of the slices. Cover with the other half of the toast slices and bake in a griddle.
Wash and slice tomatoes.
Serve the pate toast with slices of tomatoes.