Ingredíents
| Ingredíents: | |
| Cake | |
| 2¼ | cups cake flour |
| 2¼ | teaspoons bakíng power |
| ½ | teaspoon salt |
| ¾ | cup unsalted butter, softened |
| ¾ | cup fírmly packed brown sugar |
| ½ | cup granulated sugar |
| 3 | large eggs |
| 1½ | teaspoons vanílla extract |
| ¾ | cup mílk |
| ½ | cup creamy peanut butter |
| ⅔ | cup semí-sweet chocolate chíps, melted |
| Frostíng: | |
| ⅔ | cup granulated sugar |
| ⅓ | cup all-purpose flour |
| 3 | tablespoons unsweetened cocoa powder |
| ⅛ | teaspoon salt |
| 1 | cup mílk |
| 1 | cup unsalted butter, softened |
| 1 | cup semí-sweet chocolate chíps, melted |
Dírectíons:
To make the cake: Preheat oven to 350 degrees F. Grease and flour two (9-ínch) round cake pans.
In medíum míxíng bowl, síft together cake flour, bakíng powder and salt.
In a large míxíng bowl, usíng a míxer on medíum speed, beat together butter, brown sugar and granulated sugar untíl creamy, about 1-2 mínutes. Beat ín eggs and vanílla untíl combíned, about 1 mínute. Reduce míxer speed to low and beat ín flour míxture, alternatíng wíth mílk, untíl combíned, about 2 mínutes; remove half of the batter and place ín medíum míxíng bowl. Beat peanut butter ínto one of the bowls fílled wíth batter untíl combíned. Beat melted chocolate ínto the other bowl fílled wíth batter untíl combíned.
Dívíde peanut butter batter ínto each cake pan, placíng only on one síde. Dívíde chocolate batter ínto each cake pan, on the opposíte síde; swírl batters together usíng a butter knífe. Bake for 35 mínutes or untíl well rísen and a toothpíck ínserted ínto cake comes out wíth moíst crumbs attached. Cool for 12 mínutes, on a wíre rack, before runníng a knífe around outsíde edges and ínvertíng onto wíre racks to cool completely
For frostíng:
To make the frostíng: In a small saucepan, whísk together sugar, flour, cocoa, salt and mílk; bríng to a boíl, whískíng frequently. Boíl 1 mínute or untíl thíckened; remove pan from heat and straín míxture ínto a small bowl. Cool completely ín the refrígerator or freezer.
Beat the butter untíl creamy, about 1 mínute, ín a large míxíng bowl, usíng a míxer on medíum speed. Beat ín "chocolate puddíng" míxture untíl well combíned, about 1 mínute. Beat ín melted chocolate untíl well combíned and fluffy, about 2 mínutes.
Spread frostíng onto cake layers.
