Sabzi Khordan

Name: Sabzi Khordan
Ingredients: 8 ounces feta (1 block); 1/2 teaspoons caraway seeds; 1 cup walnuts; 2 ounces arugula (2 cups); 1 bunch fresh cilantro (2 ounces), ends trimmed and stems left on; 1 bunch fresh flat-leaf parsley (2 ounces), ends trimmed and stems left on; 1 bunch fresh mint (2 ounces), ends trimmed and stems left on; 1 bunch fresh basil (4 ounces), ends trimmed and stems left on; 1/2 bunch fresh dill (1 ounce), ends trimmed and stems left on; 1/2 bunch fresh tarragon (1 ounces), ends trimmed and stems left on; 8 scallions, roots trimmed and cut into 4-inch pieces; 8 radishes, halved or quartered, if large; Bread, such as barbari or lavash, for serving