
1 pound fresh 93% -lean ground turkey
2 teaspoons all-purpose Greek seasoning
½ cup coarsely shredded cucumber
½ teaspoon kosher salt
1 cup plain nonfat Greek yogurt
1 tablespoon finely chopped fresh oregano
1 tablespoon finely chopped fresh mint
1 tablespoon fresh squeezed lemon juice
1 tablespoon extra-virgin olive oil
2 cloves garlic, grated
1 medium red bell pepper, seeded and cut into 1-inch wedges
1 medium yellow summer squash, cut into ¼-inch slices
1 medium zucchini, cut into ¼-inch slices
1 small red onion, cut into ¼-inch slices
4 tablespoons olive oil, divided
¼ teaspoon kosher salt
8 (½-inch-thick) smaller-diameter slices Sourdough Bread
½ cup baby arugula
8 butterhead lettuce leaves