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1
Preheat oven to 425 degrees F.
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2
Prepare all vegetables and place in a large bowl.
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3
Cover generously with olive oil and Fennel Spice Rub.
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4
Cover and toss well to combine.
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5
Heat a very large ovenproof skillet over high heat.
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6
Add 1/4 cup of the olive oil.
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7
When the oil is hot, add the carrots and cook for about 1 minute, then add the onions and cook, turning occasionally with tongs, until the vegetables are nicely browned, about 10 minutes.
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8
Reduce the heat if needed to keep them from burning.
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9
Add the fennel bulb, zucchini, additional Fennel Spice Rub or crushed fennel seed, and salt, to taste.
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10
Toss well to distribute the seasonings.
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11
Drizzle with the remaining 1 tablespoon oil and toss again.
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12
Transfer the skillet to the oven and roast until the vegetables are deeply caramelized, 20 to 25 minutes, stirring them occasionally so they cook evenly.
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13
Serve immediately.
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14
Put the fennel seeds, coriander seeds, and peppercorns in a heavy pan over medium heat.
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15
Watch carefully, tossing frequently so the seeds toast evenly.
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16
When light brown and fragrant, pour the seeds onto a plate to cool.
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17
They must be cool before grinding, or they will gum up the blades.
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18
Pour the seeds into a blender and add the salt.
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19
Blend to a fine powder, shaking the blender occasionally to redistribute the seeds.
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20
Store in a tightly sealed glass jar in a cool, dry place, or freeze.