Baked Falafel Sandwiches

Name: Baked Falafel Sandwiches
Prep time: 20 min
Total time: 20 min
Cuisine: Asian, Middle Eastern
Ingredients: 1 tbsp. extra-virgin olive oil, plus more for baking sheet; 1 (15-oz.) can chickpeas, drained, rinsed, and dried well; 1 c. fresh cilantro leaves and tender stems; 1/2 medium yellow onion, chopped; 2 tbsp. all-purpose flour; 4 garlic cloves, roughly chopped; 1 tbsp. ground cumin; 2 tsp. ground coriander; 1 tsp. kosher salt; 1 tsp. lemon juice; 1/2 tsp. ground cayenne; 1/4 tsp. ground cinnamon; 1/4 tsp. baking soda; 2 bell peppers (red, orange, or yellow), cut into ¾” strips; 1/2 medium yellow onion, cut into ½” wedges; 1 tbsp. extra-virgin olive oil; Kosher salt; Freshly ground black pepper; 1 c. cilantro leaves and tender stems, roughly chopped; 1/4 c. cornichons or dill pickle slices; 1/4 c. tahini; 1/4 c. water; 2 tbsp. lemon juice; 1 clove garlic, grated or finely minced; 4 pitas, warmed