Baked Falafel Sandwiches with Yogurt-Tahini Sauce Recipe

Ingredients

• 1 cup plain whole-milk Greek yogurt (such as Fage Total Classic)
• 1 tablespoon tahini (sesame-seed paste)
• 1 tablespoon fresh lemon juice
• 3/4 cup water
• 1/4 cup uncooked bulgur
• 3 cups cooked chickpeas (garbanzo beans)
• 1/2 cup chopped fresh cilantro
• 1/2 cup chopped green onions
• 1/3 to 1/2 cup water
• 2 tablespoons all-purpose flour
• 1 tablespoon ground cumin
• 1 teaspoon baking powder
• 3/4 teaspoon salt
• 1/4 to 1/2 teaspoon ground red pepper
• 3 garlic cloves
• Cooking spray
• 6 (2.8 ounce) Mediterranean Style white flatbreads (such as Toufayan)
• 12 (1 / 4-inch-thick) slices tomato