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1
Peel the carrots into ribbons. (Either store the cores in a container and use them to make the vegetable stock, or each them as-is.)
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2
Combine the stock, carrots, spinach, and rice wine vinegar in a medium pot. Bring to a boil, and then reduce heat to a simmer. Cook for 5 to 7 minutes, until the carrots are tender.
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3
Divide the cabbage and noodles amongst four deep soup bowls. Ladle the soup into the bowls. Top with the herbs, chili pepper, and Crispy Mushrooms. Serve hot.
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4
To prepare the slow-roasted mushrooms: preheat the oven to 300u00b0 F. Line a rimmed baking pan with parchment paper; set aside.
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5
Add 8 ounces (224 grams) of mushrooms to a medium bowl. Drizzle with a bit of olive oil, just enough to coat the mushrooms. Season with salt, and toss well to mix. Spread them in a single layer onto the prepared sheet pan. Bake for 1 hour and 15 minutes, give the mushrooms a stir, and bake for 45 to 60 minutes more, until crisp. Let the mushrooms cool completely before using, or store the cooled mushrooms in a tightly sealed container in the fridge for up to 2 weeks.
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6
To prepare the stock: place a 4-quart pot over medium-high heat. Swirl in just enough oil to coat the bottom of the pan. Add the remaining mushrooms, season with salt, and saute, stirring occasionally, until deep, golden brown, 7 to 8 minutes.
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7
Add the onions, using a wooden spoon to scrape up any browned bits of mushroom. Cook until the onions begin to slightly soften, about 2 minutes. Give the mushrooms and onions a taste, and add more salt if necessary.
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8
Add the carrots and garlic, giving everything in the pot a good stir. Cook for 2 more minutes.
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9
Use a wooden spoon again to scrape up any browned bits on the bottom of the pot. Pour in the water, and add the herbs, and soy sauce. Increase the heat to high, and bring to a boil. Reduce the heat to low, and simmer until the liquid has reduced by 1/3, roughly 35 to 40 minutes.
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10
Place a sieve, or fine meshed strainer, over a deep pot. Pour the stock through the sieve, to strain out the vegetables and herbs. The stock is now ready to use, or you can portion it into smaller containers for use later on. Store it in the fridge, covered, for up to one week, or the freezer for up to two months.
