4 sweet potatoes gratin low fat Recipes

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

butter, whole milk or 1 cup 2% low-fat milk, salt, fresh ground pepper, dried ancho chile powder, grated nutmeg, yukon gold potato, peeled, and sliced into 1/2 inch thick rounds, sweet potato, peeled and sliced into 1/2 inch thick rounds, whole grain mustard, shredded gruyere cheese

soft, fresh breadcrumbs, chopped fresh parsley, grated parmesan cheese, lemon zest, butter, sweet onions, halved and thinly sliced, garlic cloves, minced, all-purpose flour, low-fat milk, salt, ground red pepper, shredded italian six-cheese blend, baking potatoes, peeled and thinly sliced