Chocolate Peanut Butter Layer Cake

Recipe by 1 Baker
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READY IN: 1hr 55mins
SERVES: 10-16
UNITS: US

INGREDIENTS

Nutrition
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DIRECTIONS

  • Preheat oven to 350°F Grease and flour 3 (9-inch) cake pans.
  • In a large bowl,beat butter and sugar with electric mixer until fluffy. Beat in eggs, one at a time, beating well after each addition.
  • In a medium bowl, combine flour, cocoa, baking soda, baking powder and salt; sift 2 times.
  • Add sifted flour mixture to butter mixture alternately with buttermilk, beginning and ending with flour mixture. Stir in vanilla.
  • Pour batter into prepared cake pans. Bake 33 to 38 minute.
  • Cool cake in pans on a wire rack 10 minutes. Remove from pans and cool completely on wire rack.
  • For chocolate ganache:
  • Combine morsels and cream in a small microwave-safe bowl. Microwave on high for 30 seconds; stir. Continue microwaving in 30 second intervals until mixture is smooth when stirred. Let cool 10 minutes.
  • For peanut butter mousse:
  • Combine morsels and 1/4 cup cream in a microwave-safe bowl. Microwave on high for 30 seconds; stir. Continue microwaving in 30 second intervals until mixture is smooth when stirred. Stir in peanut butter; let cool.
  • In a small bowl, beat remaining whipping cream with an electric mixer until thickened.
  • Add confectioners sugar, 1 tbsp at a time, beating until stiff peaks form. Fold whipped cream into cooled peanut butter mixture.
  • For rich chocolate frosting:
  • In a large bowl, beat butter with an electric mixer until creamy. Gradually beat in cocoa and confections sugar until smooth.
  • Add milk, 1 tbsp at a time, beating after each addition, until desired consistency is reached.
  • For peanut butter ganache:
  • Combine morsels and cream in a microwave-safe bowl. Microwave on high for 30 seconds; stir. Continue microwaving at 30 second intervals until mixture is smooth when stirred. Let cool slightly.
  • Spread chocolate ganache evenly over each cake layer. Place 1 cake layer on a serving platter.
  • Spread half of smooth peanut butter mousse on top of chocolate ganache, to within 1/2 inch of edges of cake. Top with another cake layer.
  • Spread remaining smooth peanut butter mousse on top of ganache to within 1/2-inch of edges of cake.
  • Top with final cake layer. Spread rich chocolate frosting over top and sides of cake. Drizzle with peanut butter ganache and garnish with peanuts, if desired.
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