You need 1 ingredient. The key ingredients include: ["2 lbs delicata squash, cut in half, seeded, peeled & cut into large pieces", "1 lb acorn squash, cut in half, seeded, peeled & cut into large pieces", "1 tablespoon butter (I used olive oil)", "1 large sweet onion, peeled & coarsely chopped, sauteed in butter (or olive oil)", "4 garlic cloves, minced", "2 medium yukon gold potatoes, peeled & cut into large cubes (I didn't peel)", "3 medium tomatoes, peeled, seeded, & coarsely chopped (I didn't peel or seed, instead using whole tomatoes)", "2 tablespoons chopped flat leaf parsley (I substituted about 4 tbsp. of regular curly leaf parsley)", "2 bay leaves", "1 teaspoon fresh thyme leave (I used about a tablespoon)", "1 teaspoon fresh marjoram (I used about a tablespoon)", "2 tablespoons summer savory, leaves (optional, not part of original recipe)", "3 tablespoons high-quality extra virgin olive oil", "6 -8 cups chicken stock (I substituted vegetable stock)", "sea salt", "fresh ground black pepper", "Garnish (optional)", "6 tablespoons hazelnut oil (I substituted ""Green Gold"" pumpkin seed oil, available from Chefshop.com, excellent taste & nice col)", "6 tablespoons creme fraiche (I substituted sour cream)"].