Mongolian Lamb in Slow Cooker

From the site http://besthomechef.com.au/recipe/mongolian-lamb-in-slow-cooker/

• Ready In: 6 hrs
• Serves: 6

Ingredients

• 500  g  lean lamb (boneless)
• 2  red onions (chopped )
• 1  oil, for cooking
• 1  egg (lightly whisk with fork)
• 2  tablespoons soy sauce
• 2  teaspoons brown sugar
• 3  teaspoons cornflour
• 1⁄2 teaspoon bicarbonate of soda
• 1  tablespoon garlic (crushed)
• 1  tablespoon  sweet chili sauce
• 1  tablespoon hoisin sauce
• 1⁄2 teaspoon  chinese five spice herbs
• 1⁄2 teaspoon ginger (from jar)
• 1⁄2  fresh leek

Directions

1. Make marinade:
2. In bowl combine soy sauce,sugar,egg,cornflour,soda bicarbonate and garlic.Add meat and leave in fridge ….2 hours or over night.
3. )Make sauce:
4. In bowl mix 2 tablespoons of water,add chilli sauce,hoisin sauce,chinese five spice and ginger.
5. In pan heat oil and fry onions,add meat and brown.Transfer meat into slow-cooker,pour the sauce,leek and cook until meat is soft.(3 – 4 hours on high ).
6. Taste and see,if anything need to be added.Serve with rice.