Barley and chickpea bowl with apples and maple

Ingredients

• 1 c (250 ml) pearl barley
• 2 tbsp (30 ml) olive oil
• 2 tbsp (30 ml) cider vinegar
• 1 tbsp (15 ml) maple syrup
• 2 tbsp (2 ml) dry mustard
• 1 tbsp (15 ml) French shallots, chopped
• Salt
• freshly ground pepper
• 1 apple, chopped
• 4 c (1 litre) kale, chopped
• 2 cans 14 oz (398 ml) Del Monte chick peas