2 tablespoons extra-virgin olive oil, plus more for brushing and drizzling
2 teaspoons red wine vinegar
2 teaspoons fresh lemon juice
1 small clove garlic, minced
Kosher salt and freshly ground pepper
3 medium tomatoes, halved
6 scallions
2 large bell peppers (any color), quartered
1 medium zucchini, halved lengthwise
1 10 -ounce loaf ciabatta or semolina bread, halved lengthwise
1/2 cup torn fresh herbs (basil, mint and/or parsley)
1/4 pound thinly sliced salami, cut into 2-inch ribbons