Chop the Panini’s in half.
Mix the Mayonnaise with the Italian dressing and spread on each side of the Panini
Spread a layer of mustard on one half of the Panini
Add slices of ham, slices of chicken, slices of cheese and gherkin slices to the sandwich
Put the top slice of Panini on the sandwich and brush both sides with melted butter
Toast the sandwich until the cheese melts