Serbian BBQ Kebab

by Lily Z

2 pounds boneless pork, cut into 1 1/2-inch cubes (or a combination of pork and veal) Salt and black pepper 2 tablespoons vegetable oil 2 minced cloves garlic 1 cup thinly sliced onions plus 1/2 cup finely chopped onions 15 small bay leaves, broken in half