Tuna Grinder with pepper jack cheese, Peperoncino, cherry tomatoes, and pickles packed on some delicious flavor. Add a little mayo, salt and pepper to tuna seared it in a pan.(just to warm) Add a generous amount on to Kaiser roll. Pile on the peppers, tomatoes, and pickles. add thinly sliced pepper jack cheese on top and put into the oven (broiler) just to get the cheese nice and bubbly.