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1
Prepare the filling by combining the filling ingredients in a small bowl.
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2
Stir to combine well.
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3
Set aside.
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4
Preheat the oven to 350 degrees.
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5
For the cake, cream the butter and sugar in a mixing bowl, using a hand mixer on medium speed for 45 seconds.
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6
Scrape down the sides with a rubber spatula.
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7
Add the eggs and beat for 30 seconds.
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8
Scrape down the sides of the bowl.
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9
Add the coffee, vanilla extract, and sour cream.
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10
Beat on low speed for 30 seconds, until well creamed.
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11
Scrape down the sides of the bowl.
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12
In a separate mixing bowl, sift together the flour, baking soda, and baking powder.
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13
Pour the creamed mixture over the top of the flour mixture, scraping the bowl well.
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14
Mix on low speed for 45 seconds just to combine, stopping to scrape down the sides of the bowl.
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15
Prepare a 10-cup bundt pan, either by thoroughly spraying with nonstick cooking spray or greasing with shortening and flouring the pan.
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16
Pour in half the batter.
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17
Sprinkle half the filling evenly over the top of the batter.
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18
Pour the remaining batter evenly over the filling.
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19
Use a rubber spatula to scrape the batter from the bowl and smooth the batter.
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20
Sprinkle the remaining filling evenly over the batter.
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21
Bake in the center of the oven for 50 to 55 minutes, until a cake tester inserted in the center comes out clean.
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22
Remove the cake from the oven and let it cool in the pan for 5 minutes; then turn it out onto a plate.
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23
Serve warm or cooled to room temperature, drizzled with a glaze, frosted with Buttercream Frosting or sprinkled with powdered sugar.
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24
Buttercream Frosting:
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25
MAKES ENOUGH TO FROST A LARGE BUNDT CAKE.
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26
Using a hand mixer on medium speed, beat together the butter and margarine about 3 minutes, or until light and creamy.
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27
Scrape down the sides of the bowl with a rubber spatula as needed.
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28
Add the confectioners' sugar, 1/2 cup at a time, beating about 2 minutes after each addition, until light and creamy.
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29
Beat in the vanilla extract.