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1
Trim the ends of the pattypan squash or yellow zucchini.
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2
If using pattypan squash, cut them in half through the stem end.
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3
Slice the squash thinly.
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4
Put the slices in a colander or sieve set over a bowl.
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5
Add 2 teaspoons salt and toss well, then let stand for 20 minutes.
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6
Squeeze the squash vigorously, breaking up the slices with your hands to release their moisture.
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7
Drain well.
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8
Cut the kernels from the corn cob.
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9
Cut the cob in half crosswise and reserve.
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10
Bring a medium pot of water to a boil over high heat and add the corn kernels.
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11
Blanch for 1 minute, then drain and chill quickly under cold running water.
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12
Roast the chiles directly over a gas flame or under a broiler until blistered and charred on all sides.
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13
Let cool, then peel, seed, and dice.
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14
Remove the papery squash blossoms from the stems and stamens and chop the blossoms coarsely.
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15
Melt the butter in a large pot over moderate heat.
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16
Add the onions and saute until softened, about 5 minutes.
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17
Add the drained yellow squash and toss to coat, then add the stock, thyme sprig, and reserved corn cob.
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18
Simmer gently, uncovered, for about 15 minutes.
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19
Remove the corn cob and the thyme sprig.
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20
Puree the soup in a blender, in batches, until as smooth as possible.
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21
Return to the pot and reheat gently.
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22
Whisk in the creme fraiche, the diced chiles, the blanched corn kernels, and the diced green zucchini.
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23
Season with salt and black pepper.
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24
Simmer gently for about 5 minutes to blend the flavors.
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25
Stir in the squash blossoms.
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26
If the soup is too thick for your taste, thin with water.
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27
Enjoy with Cakebread Cellars Chardonnay or another Chardonnay with a silky texture.