2teaspoonshickory smoked balsamic vinegar or plain balsamic syrup
shredded fresh basil
Instructions
For the pesto: With food processor running drop garlic through feed tube and process until finely minced. Add basil, celery leaves and oil; pulse until combined. Add lemon juice, walnuts, parmesan, sugar and salt; blend until smooth scraping down sides of bowl, if needed.
Spread generous amount of pesto evenly on bottom half of each roll.
On top of the pesto evenly layer desired amount of the mozzarella, prosciutto and peppers.
Drizzle peppers with balsamic, sprinkle with some shredded basil and cover sandwich with roll top.
Gently press sandwich together.
Grill sandwich in a lightly greased Panini maker or on a griddle, pressing with a weight, for 2 to 3 minutes per side or until golden brown.