Ingredients:

• 1/2 cup tahini (I like Joyva)
• 1/4 cup Greek yogurt
• 1/2 lemon, juice only
• 2 tablespoons olive oil
• 1/4 to 1/2 cup hot water
• For the falafel:
• 2 (15-ounce) cans chickpeas, rinsed and drained
• 1/4 cup fresh parsley
• 1/4 cup cilantro
• 2 cloves garlic
• 1 large shallot, chopped
• 3 tablespoons all-purpose flour
• 2 tablespoons sesame seeds
• 2 teaspoons ground cumin
• 1 teaspoon paprika
• 1/2 lemon, juice only
• 1 teaspoon salt
• Spray olive oil, for cooking
• 6 pita breads
• Fresh lettuce
• 1 large tomato, sliced thinly
• 1/2 red onion, sliced thinly
• 1 cucumber, sliced thinly