Foryoueats: Marinated Beef Kabobs

Ingredients

• 750g / 1.5 lb beef tri-tip , sirloin steak tips or other steak cut, (Note 1)
• 3 capsicum / bell peppers (red, yellow green)
• 1 large red onion
• 16 small mushrooms , 3.25cm / 1.3" wide
• Marinade:
• 1 tsp minced garlic (2 large garlic clove)
• 1 tsp onion powder (or sub with garlic powder)
• 2 1/2 tbsp soy sauce (Note 2)
• 2 tbsp Worcestershire sauce
• 2 tbsp balsamic vinegar
• 1 tbsp vegetable oil (or other neutral flavoured oil)
• 1/4 tsp black pepper
• Cooking:
• 16 flat metal skewers , 25 - 30cm / 10 - 12" (Note 3)
• Olive oil , for drizzling and cooking
• Finely chopped parsley , garnish (optional)