Slow Cooker Irish Stew - Pinch Of Nom

Ingredients

• 450 g diced leg of lamb (all visible fat removed)
• 4 medium potatoes (peeled and cut into chunks)
• 3 medium onions (peeled and sliced)
• 3 medium leeks (cut into 2cm thick slices)
• 4 medium carrots (peeled and cut into 2cm thick slices)
• 80 g pearl barley
• 2 beef or lamb stock pots
• 800 ml boiling water (to make the stock)
• 1 clove garlic (peeled and crushed)
• 1 tbsp fresh thyme (chopped)
• 2 bay leaves
• 1 tsp Worcestershire sauce
• salt and pepper (to taste)
• low calorie cooking spray