AN ORGANIC VINEYARD in the Napa Valley at harvest time: is there a better evocation of the fantasy good life for city dwellers? The closeness of the rural to the urban is, of course, a blessing when the golden days of October beckon. But it's also a tease. Walking into the concrete-shadowed canyons of Market Street, you know that just an hour north, someone else is starting her day smelling the heady perfume of grapes on the vine, strolling out to cobwebs and dew rather than to the clunk and squeal of Muni. Maria Helm Sinskey is one who got away. As the executive chef of PlumpJack Café, she garnered acclaim for her high-end, wine-friendly cuisine; now, married to winemaker Robert Sinskey, she lives in Napa and teaches cooking classes at their organic, biodynamic vineyard.

When her new book, The Vineyard Kitchen (HarperCollins, $32.50), arrived, with its cover glowing like a Pottery Barn catalog, all wood-slab counters and copper colanders, I was consumed, briefly, with envy and then with snark. Here, I though, would be yet another terra-cotta platter of wine-country smugness, dripping with olive oil and quasi-poetic paeans to the expensive agricultural life. I've written jacket copy for books like that; I know just what cookbook marketers want to hear about Mediterranean climate and Italian heritage and the bliss of wine-country living.

Well, it's good to be reminded that snap judgments are stupid. Sinskey is enjoying her life, for sure, but she's also been a professional chef for long enough to know that cooking isn't simply a matter of skipping ecstatically through the farmers market and tossing around handfuls of fresh herbs. It's also knowing that putting too much boiling-hot soup into a blender will make the whole thing explode onto your shirt, your stove, and your ceiling, and that seasonal menus are not just romantic but the best and most practical way to match flavors with appetites.

Unlike the menus in so many chef's cookbooks, which assume you can be batter-dipping and frying the veggie tempura at the same time you're grilling the steaks and baking the molten chocolate cakes, Sinskey's seasonal meals are thoughtfully paced for both the cook and the diner. I could make a dinner out of Sinskey's butternut squash soup alone, along with the usual cheese, fruit, and crusty bread, but I could also see it paired, without too much chaos in the kitchen, with the rest of her fall menu of roasted guinea hens; Savoy cabbage with bacon, thyme, and golden raisins; and a caramelized apple galette. A recent dinner party was a test-drive for a collection of recipes pulled from several of the late-summer menus: tomato bruschetta, herb-marinated flank steak, grilled figs, a plum crostata. Tasks like slicing tomatoes and shredding basil were easily delegated to the wine drinkers on the back patio; the tart dough got rolled out with a bottle of barbecue sauce. At midnight on a Sunday, we were still gathered outside, pouring more wine and demolishing a second tart. Acreage, it turns out, isn't always the measure of the good life.

Butternut squash soup

1 butternut squash, about 4 lbs

1 yellow onion, coarsely chopped

1 tbsp butter or olive oil

1 Tbs honey

6 fresh sage leaves

Salt and freshly ground black pepper to taste

4 cups chicken stock

1 cup crème fraîche

Preheat the oven to 400 degrees. Prick the squash all over with a fork and place it whole on a sheet pan. Roast for 45 minutes until it has softened. Cool the squash, then cut it in half and remove the strings and seeds. Peel off the skin and cut the flesh into two-inch chunks. Melt the butter or oil in a large saucepan over medium heat. Add onion and sauté until translucent and beginning to brown, about five minutes. Add honey and cook until it bubbles. Add squash, sage, and salt and pepper to taste. Add chicken stock and enough water to cover the squash by an inch. Bring the soup to a boil, lower to a simmer, and cook it until squash is very tender, about 45 minutes to an hour.

When the squash is tender, remove the pan from heat and let cool for 15 minutes. Puree soup in batches in the blender. Don't fill blender more than two-thirds full, otherwise the steam may make the top burst off. Allow the steam to escape by removing the center plug in the lid and covering the hole with a towel. Hold the lid securely down and lift the towel slightly to allow the steam to escape as you blend. Strain the soup through a coarse strainer if you want a smoother soup; otherwise return it directly to the pan. Season with salt and pepper to taste. Bring soup back to a simmer. Ladle into bowls and top each serving with a spoonful of crème fraîche.