Wallaby slow roast leg

Ingredients

• 1 wallaby roast, boneless wallaby leg
• Marinade
• 1 Dijon tsp mustard
• 1/2 tsp minced garlic (1 large garlic clove)
• 1/2 tsp onion powder (or sub with garlic powder)
• 1 tbsp soy sauce (Note 2)
• 1 tbsp oil (I use olive oil, but any oil is fine)
• 1 tbsp Worcestershire sauce
• 1 tbsp balsamic vinegar
• Black pepper