3 tablespoons oil or margarine

1 and 1/4 cups finely chopped onion

1 and 1/2 pounds parsnips, cut into small cubes

3 pounds potatoes, cut into small cubes

1 pound turnips, cut into small cubes

2 cloves garlic , chopped or 2 cubes Gefen Frozen Garlic

2 cups Manischewitz Chicken Broth or other chicken soup

2 tablespoons Gefen Mayonnaise

salt, to taste

black pepper, to taste