For the Marinade:8 garlic cloves, minced15 bay leaves50g of shallots¼ cup of Madeiran wine¼ cup of olive oil1 tsp of ground black pepper1/2 tsp of saltFor the Skewers:600g of beef (such as strip steak, tenderloin or sirloin) cut into bite-sized cubes1 green bell pepper, cut into bite-sized piecesA handful of cherry tomatoes