4 gourmet gratin with and Recipes

yellow onions, peeled and sliced, butter, dry sherry, nutmeg, salt and pepper, heavy cream, grated swiss cheese, grated parmesan cheese or 1/4 cup romano cheese, for topping

olive oil, xeres vinegar or 1 tbsp balsamic vinegar, pesto sauce (vegan pesto), lemon juice, garlic clove, minced, salt and pepper, to taste, big portabella mushrooms, shredded vegan soy cheese (like vegan gourmet or my pine nut chreese recipe), fresh baby spinach

unsalted butter, at room temperature, chipotle chiles in adobo, heavy cream, sweet potatoes, peeled and thinly sliced (about 8 cups), salt, fresh ground white pepper