Savoury Beef Kebabs - SavvyMom

Ingredients

• ¼ cup olive oil
• 2 Tbsp red wine vinegar
• 2 cloves garlic, minced
• 2 Tbsp finely chopped oregano
• 2 tsp ground cumin
• zest of 1 lemon
• ½ tsp fresh ground pepper
• 2 lbs. sirloin flap or flatiron steak, cut into 1 ½-inch pieces
• salt
• 12 wooden skewers, soaked in water for 30 minutes