Sumac Chicken with Marinated Cucumbers

Cucumbers

• 6 Lebanese cucumbers, cut in quarters lengthwise
• 3 tbsp (45 ml) apple cider vinegar
• 2 tbsp mint, finely chopped
• 2 tbsp curly parsley, finely chopped
• 1 tbsp dill, finely chopped
• 1 tbsp (15 ml) honey
• ¼ tsp red pepper flakes

Chicken

• 2 tbsp (30 ml) olive oil
• 1 tbsp ground sumac
• 1 tsp (5 ml) harissa
• 2 boneless, skinless chicken breasts, halved horizontally
• ¾ cup (180 ml) store-bought hummus