1/3 cup vegetable stock |
1 cup packed basil leaves |
a handful fresh flat-leaf parsley |
a handful fresh mint leaves |
1/4 cup extra-virgin olive oil |
1 large clove garlic, peeled |
kosher salt |
1/2 cup freshly grated parmigiano-reggiano |
4 ripe plum tomatoes, seeded and sliced lengthwise into thin strips |
1 small red onion or 1/2 medium onion, very thinly sliced or chopped |
1 rotisserie chicken |
freshly ground black pepper |
4 sesame sub rolls, split |
olive oil and herb potato chips, for serving |