Easy Corned Beef and Cabbage

1 onion

cut into wedges

4 potatoes

peeled and quartered

1 pound carrots

cut into large chunks

3 cups water

3 cloves garlic

minced

1 bay leaf

2 tablespoons sugar

2 tablespoons cider vinegar

½ teaspoon ground black pepper

1 (3 pound) corned beef brisket with spice packet

cut in half

1 small head cabbage

cut into wedges