Grilled Shrimp Souvlaki with Cucumber Dill Sauce | Heinen's Grocery Store

Ingredients

• 1 pound large shrimp, peeled and deveined
• 6 tablespoons fresh lemon juice, divided
• 2 teaspoons olive oil, divided, plus additional for brushing grill
• 3 tablespoons chopped fresh dill, divided
• 1 tablespoon chopped fresh oregano
• 3/4 cup low-fat Greek yogurt, divided
• 2 garlic cloves, minced and divided
• 2 cucumbers (about 1 pound)
• Salt and black pepper, to taste
• 1 pint cherry tomatoes (about 1/2 pound)
• 1 small red onion, cut crosswise into 1/3-inch-thick rings
• 2 Tablespoons fresh chopped parsley to garnish
• 4 whole-grain flatbreads
• 8 small romaine or bib lettuce leaves (optional)