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1
Put the octopus in a pot with the wine and enough cold water to cover.
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2
Add the onions, carrots, celery, thyme, and bay leaf; bring to a gentle simmer over medium heat and cook until opaque, 20 to 30 minutes.
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3
Remove the octopus with a slotted spoon and cool.
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4
(This may be done a day ahead and refrigerated in a covered bowl.)
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5
Transfer the octopus to a resealable plastic bag and add the garlic, olive oil, and lime juice; seal and marinate in the refrigerator for 2 hours.
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6
Remove the octopus from the marinade and set aside.
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7
Preheat a charcoal or gas grill until hot.
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8
Position the rack about 5 to 6 inches from the heat.
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9
Combine the olive oil, vinegar, lime juice, mint leaves, and green olives in the jar of a blender and puree into a smooth emulsion.
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10
Alternatively, whisk these ingredients together in a small bowl for a chunkier texture.
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11
Season, to taste, with salt and pepper and set aside.
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12
Toss the endive, radicchio, and chickpeas together in a salad bowl and set aside.
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13
Grill the octopus for 4 to 5 minutes, turning once after 2 to 3 minutes, until it is browned in spots and nicely caramelized but not burned.
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14
Remove and cut into bite-size pieces.
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15
0054oss with the greens and vinaigrette, divide among 4 plates, and serve.