Magnolia Cookie Cake


Apr 29

Magnolia Cookie Cake – Oatmeal chocolate chip cake layers with peanut butter frosting.

Magnolia Cookie

Happy Monday, friends! The weekend may be over, but the fun is just beginning. It’s the start of my birthday week and the day that I’m finally sharing my new cake, inspired by the Magnolia Cookie. Remember that cookie recipe I shared last week? The Copycat Magnolia Cookie, inspired by the oatmeal chocolate and peanut butter chip cookie from the Silos Bakery? So many of you have already whipped it up. I hope you loved it!

Well, now it’s time to bake the cake inspired by the cookie!

Magnolia Cookie Cake

This cake is based off not only the Magnolia Cookie, but also my Oatmeal Chocolate Chip Cookie Cake. The cake layers are unlike any cake I’m guessing you’ve had. They’re hardy and chewy like a cookie… but not a cookie 😉

Just like the cookie I created, there’s a hint of cinnamon in the cake layers with mini chocolate chips in every bite.

I’ve also used my go-to peanut butter frosting. I love this frosting so much, I often just eat it by the spoonful! It’s so smooth and creamy, and the amount of peanut butter is just perfect. Of course, I always add a little heavy whipping cream to lighten up the texture.

It’s a simple cake, but one that definitely leaves an impression! Just look at those layers!

Enjoy!

 

Magnolia Cookie Cake

Oatmeal chocolate chip cake layers with whipped peanut butter frosting.

Course Dessert
Cuisine Cake
Prep Time 2 hours
Cook Time 40 minutes
Total Time 2 hours 40 minutes
Servings 18 people
Author cakebycourtney

Ingredients

FOR THE CAKE

  • 2 1/2 cups water
  • 2 1/2 cups uncooked rolled oats divided
  • 1 cup butter
  • 3/4 cup granulated sugar
  • 1 cup brown sugar packed
  • 2 teaspoons vanilla
  • 4 eggs room temperature
  • 1 teaspoon kosher salt
  • 2 teaspoon baking soda
  • 2 teaspoon cinnamon
  • 3 cups all purpose flour
  • 1 cup mini chocolate chips

PEANUT BUTTER FROSTING

  • 5 cups powdered sugar measured and then sifted
  • 1 1/2 cups 3 sticks unsalted butter, slightly cold
  • 1 cup creamy peanut butter
  • 1 tablespoon pure vanilla extract
  • 3 tablespoons heavy whipping cream
  • Pinch of coarse salt

Instructions

FOR THE CAKE

  1. Preheat your oven to 350 degrees F. Spray three 8-inch round cake pans with nonstick cooking spray, line the bottoms with parchment paper and spray again. Set aside.

  2. In a medium sized pot bring the water to a boil. Add in 2 cups of the oats, stir and remove the pot from the heat. Cover the pot and allow the oats to soak for 20 minutes, until all the water is absorbed. Let the oatmeal cool completely before adding it to the cake batter.

  3. In a medium sized mixing bowl, combine the baking soda, salt, cinnamon, and flour. Whisk together. Set aside.

  4. In the bowl of a stand mixer fitted with the paddle attachment, beat the butter and sugars together on medium speed for 2 minutes until light and fluffy. Add in the vanilla and the eggs and mix until combined, scraping the sides of the bowl as necessary.

  5. Turn the mixer to low and add in the cooled cooked oats and the flour mixture, mixing until just combined. 

  6. Toss the mini chocolate chips in a tablespoon of flour and then stir into the batter, along with the remaining 1/2 cup dry oats.

  7. Spread the cake batter into the prepared pans, about 20 ounces of batter in each pan, and bake for 20-22 minutes or until the cake is set in the center and a toothpick comes out with just a few moist crumbs on it. 

  8. Allow the cake to cool in the pans for about 5 minutes and then invert onto wire racks to cool completely. Level the cakes.

  9. If you're not using the cake layers right away, wrap each layer in plastic wrap. You can freeze them up to a week or up to a month if you also wrap them in foil.

FOR THE FROSTING

  1. In the bowl of electric mixer fitted with the paddle attachment, combine the butter and peanut butter. Beat on medium-high speed until smooth, about 2 minutes.

  2. With the mixer on low speed, gradually add the powdered sugar, followed by the vanilla, salt and heavy cream.

  3. Turn mixer to medium-high and beat the frosting for about 4 to 5 minutes.

ASSEMBLY

  1. On a cake board, spread a small dollop of frosting to hold the cake in place. Place your first of the three cake layers on the board, crumb side up.

  2. Spread 1 cup of frosting (with chocolate chips) on the cake layer. Get eye level with the cake to make sure the layer of frosting is applied evenly.

  3. Repeat step 2 for the next cake layer and layer of frosting. For the final cake layer, place it top side down, so the smoothest side of the cake (the bottom) is facing up.

  4. Cover the entire cake with a thin layer of frosting. Chill the cake for 10 minutes to set the crumb coat and lock in the crumbs. 

  5. Once the crumb coat is set, frost the cake with the remaining frosting.

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