3 root horseradish gratin Recipes

yukon gold potatoes, celery root, parsnip, gruyere cheese, coarsely grated & divided, garlic cloves, minced, yellow onion, finely chopped, prepared horseradish, kosher salt, fresh ground black pepper, chicken broth, fine breadcrumbs, butter, melted

shredded reduced-fat jarlsberg or swiss cheese, minced fresh onion, prepared horseradish, garlic cloves, minced, sliced peeled yukon gold potato, sliced peeled parsnip, shredded peeled celeriac (celery root), salt, black pepper, fat-free , less-sodium chicken broth, dry breadcrumbs, butter or stick margarine, melted