Lebanese Mixed Salad with Pita Croutons

Name: Lebanese Mixed Salad with Pita Croutons
Cuisine: Middle Eastern
Ingredients: 2 large pita breads; 1 head romaine lettuce, chopped; 2 medium tomatoes, diced; 1 cucumber, diced; 1 red bell pepper, diced; 4 radishes, sliced; 1 small red onion, thinly sliced; 1/4 cup fresh mint leaves, chopped; 1/4 cup fresh parsley, chopped; 1/4 cup fresh purslane (optional); For the Dressing; 1/4 cup olive oil; 2 tablespoons lemon juice; 1 tablespoon red wine vinegar; 1 teaspoon sumac; 1/2 teaspoon salt; 1/4 teaspoon black pepper; 1 clove garlic, minced