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1
Preheat oven to 375F.
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2
Butter and flour 9-inch-diameter cake pan with 2-inch-high sides.
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3
Line bottom with parchment.
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4
Butter and flour parchment.
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5
Finely grind hazelnuts and 2 tablespoons sugar in processor.
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6
Place 2/3 cup ground-nut mixture in medium bowl; add flour and whisk to blend.
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7
Reserve remaining nut mixture for garnish.
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8
Using electric mixer, beat eggs and 2/3 cup sugar in large bowl until mixture is thick and slowly dissolving ribbon forms when beaters are lifted, about 8 minutes.
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9
Fold in flour mixture in 3 additions.
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10
Transfer batter to prepared pan.
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11
Bake cake until top is golden and tester inserted into center comes out clean, about 28 minutes.
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12
Transfer cake to rack.
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13
Cool in pan 10 minutes.
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14
Run small knife between pan sides and cake to loosen.
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15
Turn cake out onto rack; peel off parchment.
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16
Cool completely.
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17
Bring cream to simmer in large saucepan.
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18
Remove from heat.
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19
Add chocolate and whisk until melted and smooth.
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20
Pour into 13x9x2-inch glass dish.
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21
Refrigerate until ganache thickens to spreadable consistency, stirring occasionally, about 1 hour 30 minutes (ganache will resemble thick pudding).
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22
Transfer 3/4 cup chocolate ganache to small bowl; set aside for garnish.
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23
Cut cake horizontally into 2 layers (layers will be thin).
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24
Place 1 cake layer, cut side up, on platter.
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25
Spread 1/2 cup chocolate ganache over.
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26
Arrange sliced strawberries in slightly overlapping concentric circles over ganache.
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27
Spread 1/2 cup ganache over cut side of second cake layer.
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28
Place cake layer atop strawberries, ganache side down, and press slightly to adhere.
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29
Spread remaining chocolate ganache over sides and top of cake.
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30
Gently press reserved ground hazelnuts onto sides of cake.
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31
Transfer reserved 3/4 cup ganache to pastry bag fitted with medium star tip.
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32
Pipe 8 rosettes around top edge of cake, spacing apart.
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33
(Can be prepared 1 day ahead.
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34
Cover with cake dome and refrigerate.
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35
Let stand at room temperature 1 hour before continuing.)
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36
Starting 1/3 inch from stem end of whole strawberries, thinly slice strawberries lengthwise to tip.
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37
Press slices slightly to fan.
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38
Place fanned berries between rosettes on cake.
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39
Garnish with additional toasted hazelnuts, if desired.