Just when fresh red tomatoes are no longer available and the summer disappears into darkness, an orange alternative arrives in many shapes and sizes. Squash and pumpkin are autumn’s answer to the tomato. I use them in much the same way. The following recipe is for a soup made of pumpkin with carrots and potatoes, turned spicy with the simple addition of garlic and red pepper. This particular kind of preparation is very much Italian and is called a passato because the ingredients are pureed until smooth once cooked. I like to call it orange velvet soup.