Absolutely! Caprese sandwiches are delicious as is, but other additions can be made like prosciutto, salami, grilled chicken or other meats, a generous spread of pesto u003cemu003e(in addition to or as a replacement for the fresh basil)u003c/emu003e, or even fruit like peaches! Some crushed red pepper or chili crisp would also be delicious for a spicy kick.