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1
Preheat the oven to 375.
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2
Season the chicken cavities generously with salt and pepper.
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3
Tuck a lemon half, 2 shallots, 2 garlic cloves, 1/2 bunch of tarragon and 2 thyme sprigs into each chicken cavity.
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4
Tie the legs together with kitchen string.
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5
Set the chickens in a large roasting pan or on a rimmed baking sheet.
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6
Rub the chickens all over with the 1 tablespoon of olive oil and season with the herbes de Provence, salt and pepper.
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7
2.
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8
Roast the chickens in the middle of the oven for 30 minutes.
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9
Add 1/2 cup of the water to the roasting pan and roast the chickens for about 50 minutes longer, basting them occasionally with the pan juices; rotate the roasting pan as necessary to cook the birds evenly.
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10
The chickens are done when the juices run clear when a thigh is pierced with a knife or when an instant-read thermometer inserted in one of the thighs registers 165.
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11
Preheat the broiler.
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12
Broil the chickens for about 5 minutes, rotating the roasting pan, until their skin is golden and crisp.
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13
Transfer the chickens to a large cutting board.
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14
Pour any pan juices into a small saucepan and skim off the fat.
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15
Set the roasting pan over 2 burners, add the remaining 1/2 cup of water and simmer over moderate heat, using a wooden spoon to scrape up any browned bits on the bottom of the pan.
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16
Add the liquid to the pan juices in the saucepan and boil until reduced to 1/2 cup, about 5 minutes.
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17
Keep the pan juices warm.
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18
Peel 12 of the oven-dried tomato halves and coarsely chop them.
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19
In a medium bowl, mix the tomatoes with the Dijon and whole grain mustards, vinegar, honey, warm pan juices and the remaining 1 tablespoon of chopped tarragon.
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20
Whisk in the remaining 1/4 cup of olive oil and season the vinaigrette with Tabasco, salt and pepper.
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21
Spoon half of the oven-dried tomato vinaigrette onto a large platter.
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22
Quarter each of the chickens and arrange the pieces on the platter.
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23
Arrange the 12 remaining oven-dried tomato halves around the chicken and serve right away, passing the remaining tomato vinaigrette at the table.