6 potato butternut gruyere gratin Recipes

unsalted butter, sliced onions, butternut squash, peeled,seeded and cut into 1/4 inch slices, yukon gold potatoes, peeled and cut into 1/4 slices, half-and-half, salt, ground black pepper, fresh breadcrumbs (preferably sourdough), grated gruyere cheese, chopped fresh sage

olive oil, onions, thinly sliced, fresh thyme sprigs, fresh sage, chopped, salt & freshly ground black pepper, butternut squash, cut into 1/2 inch cubes, potatoes, cut into 1/2 inch cubes and blanched for about 4 minutes, whole wheat flour, parsley, chopped, gruyere, grated, whole milk, heated (1/2 cup plus 2 tbsp), breadcrumbs

butter, pancetta, chopped, chopped shallots, garlic cloves, minced, all-purpose flour, divided (about 5 tbsp), chopped fresh thyme, reduced-fat milk, grated fresh parmigiano-reggiano cheese, salt, freshly ground black pepper, ground red pepper, baking potato, peeled and cut into 1/8-inch-thick slices, sweet potato, peeled and cut into 1/8-inch-thick slices, butternut squash, peeled and cut into 1/8-inch-thick slices, shredded gruyere cheese

yukon gold potatoes (2.5 lbs.), butternut squash (2 lb.), butter or 2 tbsp margarine, sweet onion, chopped, salt, pepper, shredded gruyere cheese, butter, all-purpose flour, milk, dry white wine, salt