Yellow Cake And Chocolate Frosting

Ingredients
For the Cake
- 2 sticks unsalted butter, room temperature
- 1/3 cup canola oil
- 1/2 teaspoon salt
- 2 1/2 cups granulated sugar
- 6 large eggs, room temperature
- 2 large egg yolks, room temperature
- 3 cups cake flour
- 1/2 teaspoon baking powder
- 1 cup sour cream, room temperature
- 1 tablespoon pure vanilla extract
- 1 teaspoon butter extract
For the Frosting
- 2 sticks unsalted butter, room temperature
- 4 cups confectioner's sugar
- 1/2 cup cocoa powder
- 1 tablespoon pure vanilla extract
- 3 tablespoons milk
Directions
For the Cake
- Preheat the oven to 350 degrees.
- Prepare 3 9" round baking pans with non-stick baking spray and put aside.
- In the bowl of your mixer, beat butter, canola oil, salt and sugar on high until fluffy and smooth (about 5 minutes).
- Next, add eggs and egg yolks one at a time to the bowl and beat on medium until well incorporated.
- In a separate large bowl, sift cake flour and baking powder together.
- Turn the mixer to low and add half of flour mixture to the mixer and fully incorporate.
- Next add sour cream to mixer and blend well and lastly finish with remaining flour mixture and mix well.
- Finally add vanilla extract and butter extract to mixer and finish beating on low until everything is well mixed.
- Make sure to scrap the bottom of the bowl as well.
- Evenly add cake mixture into prepared baking pans and place in oven to bake for 25-30 minutes or until a toothpick inserted into the center of the cake comes out clean but don't overbake (crucial not to overbake this cake)!!
- Remove cakes and oven and rest in pans for 10 minutes.
- Next remove layers from pans and place on cooling racks for one hour.
- Wrap each layer in plastic wrap and place in the freezer for 1 hour to make it easier to work with when assembling the cake.
For the Frosting
- Add butter, confectioner's sugar and cocoa powder to bowl of mixer and mix on high speed until smooth.
- Lastly add in vanilla extract and milk until frosting is fluffy and smooth.
- Frost each layer of cake with frosting then frost the end.
Original source: grandbaby-cakes.com