Pearl barley, beetroot and sumac salad

Ingredients

• 1 ½ cup pearl barley
• 3 cups reduced salt vegetable stock
• 2 cups water
• 3 small beetroot, washed and cut into eighths
• 2 tsp oil
• 2 tsp honey
• 60g feta, crumbled
• ½ cup walnuts, toasted
• ½ cup mint leaves, roughly torn
• 1 tsp sumac (optional)
• Dressing2 tbsp olive oil
• 1 tbsp lime juice
• 1 tsp seeded mustard