Mashed Potatoes With Celery Root without chive

3 lbs new potatoes (about 8) 1 lb celery root (about 2) 3 garlic cloves , minced 1/2 cup butter 1/4 cup milk 1/4 cup parmesan cheese , grated 1 teaspoon salt[...]

2 lbs russet potatoes , peeled and quartered 1 lb celery root , peeled and cut in chunks salt and pepper 1/3 cup light cream 1 Place the potatoes and celery[...]

2 lbs yukon gold potatoes or 2 lbs russet potatoes , peeled,cubed 1 cup sweet potato , peeled,diced (yellow variety) 1/2 cup rutabaga, peeled,diced 1/2 cup[...]