3 potato celery gratin fontina Recipes

russet potatoes, celery stalks , cut into 1/2-inch pieces, carrots, peeled , cut into 1/2-inch pieces, green bell pepper , cut into 1/2-inch pieces, minced garlic, chopped fresh basil or 2 tsp dried, crumbled, chopped fresh rosemary or 1/2 tsp dried, crumbled, butter, grated monterey jack or fontina cheese (optional)

heavy cream, kosher salt, freshly ground nutmeg, russet potatoes (about 2 lbs.), peeled and thinly sliced, parsnips (about 10 oz.), peeled, trimmed, and thinly sliced, shallot, thinly sliced, celery root (about 15 oz.), peeled, halved, and thinly sliced, italian-style fontina cheese, coarsely shredded