Fresh Quinoa Salad

Name: Fresh Quinoa Salad
Ingredients: 1 tbsp. olive oil; 1/2 lemon (squeezed); 1/4 tsp salt; 1/4 tsp pepper; 1/2 tbsp. balsamic vinegar; 4 slices whole-wheat pita bread; 1/2 yellow bell pepper; 1 cucumber; 1 roma tomato; 1/2 red onion; 1/2 cup quinoa (cooked)