Lebanese Fattoush Salad

Ingredients

• 2 loaves pita bread thin
• 1 head romaine lettuce washed and chopped into large bite-sized pieces
• 1 cup tomatoes coarsely chopped
• 1 cup sliced cucumber
• 1 sweet onion small, sliced
• 1 tablespoon lemon juice freshly squeezed, or more to taste
• 3 tablespoons canola oil
• 1/2 teaspoon garlic powder
• 1/2 teaspoon kosher salt
• freshly ground black pepper
• 1 tablespoon sumac