Middle Eastern Fattoush Salad

Ingredients

• 1 small head romaine lettuce, leaves torn into bite-size pieces
• 1/2 English cucumber, quartered lengthwise, thinly sliced
• 1/2 small red onion, thinly sliced
• 2 cups arugula leaves
• 1 cup cherry or grape tomatoes, halved
• 1 cup Italian parsley leaves
• 1/2 cup fresh mint leaves, coarsely chopped
• 1/2 cup pitted kalamata olives
• 1/2 cup crumbled feta cheese
• 2 tablespoons freshly squeezed lemon juice
• 1 tablespoon red wine vinegar
• 1 garlic clove, minced
• 1/2 teaspoon salt, or to taste
• 1/4 teaspoon freshly ground black pepper
• 1/4 teaspoon dried sumac
• 1/2 cup extra-virgin olive oil
• 1/4 cup extra-virgin olive oil
• 1/8 teaspoon salt
• Pinch of sumac
• 2 large pita breads, halved