Slow Cooker Beef Madras | Slimming & Weight Watchers Friendly

Name: Slow Cooker Beef Madras | Slimming & Weight Watchers Friendly
Prep time: 15 min
Cook time: 4 h 30 min
Total time: 4 h 45 min
Cuisine: Indian
Ingredients: 600 g lean diced stewing steak or braising steak (all visible fat removed); 2 medium onions (peeled and chopped); 4 cloves of garlic (peeled and crushed); 3 cm piece of root ginger ((1 inch) peeled and finely grated); 1 medium green chilli (seeds left in and finely chopped (approx 8g)); 1 tsp mild chilli powder; 1 tsp ground turmeric; 2 tsp ground cumin; 2 tsp ground coriander; 1 tbsp garam masala; 1/2 tsp ground cinnamon; 400 g tin chopped tomatoes; 2 tbsp tomato puree; 1 beef stock cube; 300 ml boiling water; 3 tbsp cider vinegar; 1 tsp salt; 1 tsp white granulated sweetener; low-calorie cooking spray; a few fresh coriander leaves (stalks removed and roughly chopped, to garnish (optional))