Quintessentially Southern, everything coconut. An American classic perfect for any occasion where only extra special will do.

Creating a buttercream retaining wall for pastry cream cake filling.
Coconut Cake with Coconut-Rum Pastry Cream & Vanilla Cream Cheese Buttercream
Three layers of super-moist coconut sponge, layered with coconut rum crème pâtissière, vanilla cream cheese buttercream, glittered in sweetened flake coconut.
Servings Prep Time
12slices 1hour
Cook Time Passive Time
30mins 6hours
Servings Prep Time
12slices 1hour
Cook Time Passive Time
30mins 6hours
Ingredients
Coconut Cake
Coconut-Rum Pastry Cream (Easy Method)
Vanilla Cream Cheese Buttercream
Instructions
Prepare Coconut Cake
  1. Preheat oven to 350 degrees.
  2. Grease the sides and bottoms of three 8-inch round cake pans with vegetable shortening. Line the bottoms with an 8-inch parchment round and lightly grease the parchment then dust the pans with flour. Set aside.
  3. In the bowl of a stand mixer, sift together, cake flour and baking soda.
  4. Whisk in bakers sugar and kosher salt. Set aside.
  5. Fit stand mixer with the paddle attachment, and mix flour mixture and softened butter on LOW speed for 45 seconds, or until mixture resembles wet sand.
  6. With the mixture on LOW, add buttermilk and coconut milk, mix 1-1/2 minutes, scrapping the bottom and sides of the bowl with a rubber spatula halfway through, continue to mix until we’ll combined.
  7. Add egg whites, vanilla and coconut extracts to mixture, beat on MED-HIGH for 2 minutes, scraping the bottom and sides of the bowl with a rubber spatula after the first minute, continue until no lumps are visible.
  8. Remove bowl from stand mixer, with rubber spatula, mix in sweetened flaked coconut.
  9. Evenly distribute cake batter between the 3 greased and floured cake pans. Using a kitchen scale to weigh out the batter will insure even layers. (Mine usually weigh out to approximately 1lb and 6 grams each)
  10. Bake on the oven’s center rack for 25 minutes until evenly risen, golden brown, and a skewer comes out clean when inserted into the center of the cake.
  11. Allow cakes to cool in the pans for 15 minutes, then invert cakes from pans onto cooling racks, and allow to cool completely.
  12. Loosely individually wrap cake layers in plastic wrap, and refrigerate to chill. This can be done the day ahead.
Prepare the Coconut-Rum Pastry Cream
  1. In a medium size bowl, hand whisk egg yolks until foamy (about 30 seconds), set aside.
  2. In a saucepan, whisk together the packet of Coconut Pie Filling Mix, cornstarch, and whole milk until dissolved.
  3. Place over MED heat, and stir constantly for 12 or so minutes, until filling mixture has thickened and begins to bubble.
  4. Remove from heat.
  5. While whisking vigorously, add approximately 1 cup of the hot filling mixture to the yolks. This will “temper” the yolks, so they won’t scramble.
  6. Whisk in remaining hot filling mixture.
  7. Return mixture to the saucepan, and whisk constantly over MED heat for 2 minutes.
  8. Immediately remove from heat, pour mixture back into the bowl, mix in dark rum and butter, stir until butter has completely melted, set aside 5 minutes to cool.
  9. Stir mixture every 10 minutes, until it reaches room temperature.
  10. Place plastic wrap directly on to the Coconut-Rum pastry cream so a skin doesn’t form. Refrigerate 4 hours, or overnight to thicken completely.
Prepare the Cream Cheese Buttercream:
  1. In a stand mixer outfitted with the paddle attachment, beat cream cheese and butter on MED-LOW speed until smooth (about 30 seconds), scraping the bottom & sides of the bowl with a rubber spatula.
  2. Stir in vanilla extract and heavy whipping cream. (This recipe uses salted butter, if using unsalted, add 1/2 tsp salt here.) Beat on MED speed 1 minute, scrapping the bowl in between.
  3. With the mixer on LOW speed, gradually add confectioners sugar by heaping spoonfuls, mixing to incorporate after each addition.
  4. Remove the paddle and bowl from mixer, and scrape the paddle, and bottom & sides of the bowl to loosen any confectioners sugar that may be on the bottom.
  5. Return bowl & paddle to the stand mixer.
  6. Increase speed to MED-HIGH, and beat until fluffy, 1-1/2 to 2 minutes.
  7. Cover with plastic wrap and set in a cool spot until ready to use.
Assemble Cake:
  1. Fit a pastry bag with a 5/8 inch round piping tip, fill with 1-1/2 cups buttercream, tighten opening by twisting to create pressure towards the tip.
  2. Center 1 chilled cake layer top down on to a 9-inch cardboard cake round; gently peel off parchment paper.
  3. Pipe a 5/8 inch border around the top circumference of the edge of the cake layer to create a parameter wall to hold in pastry cream.
  4. Top center with 1 cup of the coconut-rum pastry cream, and spread to the buttercream parameter with an offset spatula or dinner knife, spread from center-out to the edge of the buttercream.
  5. Repeat with second layer.
  6. Top with third layer as before, now spreading the buttercream on the sides of the cake from the bottom in an upwards motion to the top, filling any spaces between layers as you go.
  7. Top cake with 1 cup of the buttercream, again, spreading from the center out.
  8. Using a cake smoother or pastry scraper, hold the smoother vertical against the side of the cake, and slowly turn the cake to smooth the sides.
  9. Refrigerate cake for 30 minutes to firm up buttercream.
  10. Repeat the previous 4 steps to add another layer of buttercream, refrigerating the cake for another 30 minutes to set the buttercream.
  11. Repeat icing the cake once more to create a sticky layer to adhere coconut.
  12. Place a large can on to a cookie sheet and place cake on top of the can.
  13. Gently press sweetened flaked coconut around the sides of the cake, pressing slightly to embed coconut into the sticky layer of buttercream. Allow excess coconut to fall on to cookie sheet. Dust top with coconut.
  14. Refrigerate cake 30 mins longer to set.
  15. Serves 12.

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