Falafel Sandwiches

Ingredients (21)

• 1 cup dried garbanzo beans or chickpeas
• 1/2 teaspoon baking soda
• 1 cup fresh cilantro leaves
• 1/2 cup fresh mint leaves
• 5 garlic cloves
• 1 teaspoon salt
• 1/2 teaspoon pepper, optional
• 1 teaspoon ground coriander
• 1 teaspoon ground cumin
• 1 teaspoon chili powder
• 1 teaspoon sesame seeds
• 1 teaspoon baking powder
• Oil for deep-fat frying
• 1/2 cup hummus
• 4 pita bread halves or small flatbread
• 2 large tomatoes, sliced
• 1/2 large cucumber, sliced thinly
• 8 small lettuce leaves
• 1/2 medium red onion, sliced
• Snipped fresh dill
• 1/2 cup refrigerated tzatziki sauce