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1
Boil broth in small saucepan until reduced to 1 cup, about 12 minutes.
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2
Remove from heat.
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3
Combine fennel seeds and crushed red pepper in small bowl.
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4
Heat 2 tablespoons oil in heavy large skillet over medium-high heat.
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5
Add onion and bell pepper and saute until golden and almost tender, about 4 minutes.
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6
Add squash and saute until barely tender, about 2 minutes.
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7
Stir in half of fennel seed mixture.
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8
Season with salt and pepper.
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9
Transfer to large bowl.
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10
Place 3 tablespoons flour in medium bowl.
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11
Add chicken and toss to coat with flour; shake off excess.
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12
Heat 3 tablespoons oil in same skillet over medium-high heat.
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13
Add chicken; stir just until cooked through, about 3 minutes.
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14
Stir in remaining fennel seed mixture.
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15
Return vegetables to skillet.
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16
(Can be made 4 hours ahead.
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17
Cover and chill.)
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18
Toss chicken and vegetables over medium-high heat until heated through.
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19
Season with salt and pepper.
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20
Mix in 1/4 cup basil.
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21
Mix vinegar and brown sugar in small skillet.
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22
Mix butter with remaining 1 tablespoon flour in small bowl.
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23
Bring vinegar mixture to boil.
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24
Add reduced broth and bring to boil.
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25
Whisk in butter mixture.
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26
Boil until sauce thickens slightly, whisking constantly, about 1 minute.
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27
Season sauce with salt and pepper.
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28
Arrange 2 polenta triangles on each of 4 plates.
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29
Spoon chicken mixture over polenta.
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30
Drizzle each with sauce.
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31
Garnish with remaining 1/4 cup basil and serve.