2 tablespoons fresh lime juice
3 tablespoons extra-virgin olive oil
2 large scallions, trimmed and finely chopped (include some green tops)
1 large garlic clove, minced
1 firm-ripe Haas avocado, peeled, pitted, and diced
One 15 1/2-ounce can black beans, rinsed and drained
One 10-ounce can diced tomatoes with green chilies (e.g., RO*TEL), drained well
1/2 teaspoon salt
1/4 cup coarsely chopped fresh cilantro
1/4 cup coarsely chopped fresh Italian (flat-leaf) parsley
One 10-ounce bag European salad mix (iceberg, romaine, escarole, endive and radicchio)