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1
Preheat oven to 350F.
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2
Lightly butter three 8-inch-diameter cake pans.
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3
Dust pans with flour; tap out excess.
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4
Whisk first 6 ingredients in medium bowl to blend.
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5
Using electric mixer, beat butter and egg yolk in large bowl until well blended.
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6
Gradually beat in sugar.
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7
Beat in eggs 1 at a time.
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8
Mix in sour cream and vanilla.
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9
Beat in dry ingredients alternately with mashed bananas in 3 additions each.
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10
Divide batter among prepared pans.
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11
Bake cakes until tester inserted into center comes out clean, about 20 minutes.
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12
Cool cakes in pans on racks 10 minutes.
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13
Turn cakes out onto racks and cool.
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14
Place 1 cake layer on platter.
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15
Spread 3/4 cup Cream Cheese Frosting over top.
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16
Spread half of Mango Curd over frosting.
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17
Top with second cake layer.
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18
Spread 3/4 cup Cream Cheese Frosting over.
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19
Spread remaining half of Mango Curd over frosting.
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20
Top with third cake layer.
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21
Spoon 3/4 cup frosting into pastry bag fitted with large star tip.
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22
Spread remaining frosting around sides and over top of cake.
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23
Pipe frosting around top edge of cake.
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24
Arrange mango slices around top edge of cake.
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25
Garnish cake with mint.
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26
(Cake can be made 1 day ahead.
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27
Cover and chill.
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28
Let stand 2 hours at room temperature before serving.)