German Apple Cake with Fluffy Buttermilk Frosting

German Apple Cake with Fluffy Buttermilk Frosting

This rich German Apple Cake is a classic, but I’ve topped it with tangy, fluffy Buttermilk Frosting that sends it over the top!

Have I bored you silly with Apple recipes yet? No?

Well, this German Apple Cake is ACTUALLY the co-star in this recipe. It’s true.

I have to say the Buttermilk Frosting is the lead actor here. You all know how I feel about my frosting…and to wholeheartedly admit that I have a new favorite…well, I feel like you guys should all take note.

The cake is loaded with apples, cinnamon…all the delicious players that go into an apple cake. And yes, for those of you heathens who “don’t like frosting” you can eat this cake nekkid.

Even a light coating of powdered sugar would be sufficient. But. BUT. If you want to take your life to the next level I urge you to make this frosting and slather it all up on this cake…and then on everything else in your life.

Let’s talk details…

German Apple Cake with Fluffy Buttermilk Frosting

Apples. Obvi.

germanapplecake-1

Chop them. Duh.

German Apple Cake with Fluffy Buttermilk Frosting

Mix them in your batter.

German Apple Cake with Fluffy Buttermilk Frosting

Bake.

Sigh, so pretty.

German Apple Cake with Fluffy Buttermilk Frosting

Then get to the important part. The frosting. The whipped, tangy, buttery, rich love of my life.

German Apple Cake with Fluffy Buttermilk Frosting

Adding buttermilk into this buttercream frosting adds a slight tang that will have you dipping your spoon into again and again.

I am mildly obsessed if you haven’t noticed.

German Apple Cake with Fluffy Buttermilk Frosting

Make the cake, yes, but definitely make the frosting.

5.0 from 2 reviews
German Apple Cake with Fluffy Buttermilk Frosting
 
Author:
Ingredients
  • 1 cup vegetable oil
  • 2 eggs
  • 2 cups granulated sugar
  • 2 teaspoons vanilla
  • 1 teaspoon kosher salt
  • 2 teaspoons cinnamon
  • 1 teaspoon baking soda
  • 2 cups flour
  • 4 Granny Smith apples sliced and diced
Frosting
  • 1 cup unsalted butter, room temperature
  • ½ teaspoon kosher salt (if using salted butter omit)
  • 3 cups powdered sugar
  • 2 tablespoons buttermilk
Instructions
  1. Preheat the oven to 350°F/175°C
  2. Spray a 9x13 pan with baking spray and set aside.
  3. In the bowl of a stand mixer fitted with the paddle attachment combine oil, eggs, sugar and vanilla. Beat on medium speed for 2 minutes until pale in color and creamy.
  4. Add in the cinnamon, salt and baking soda and mix until combined.
  5. Turn the mixer to low and add in the flour, mixing until just incorporated.
  6. Stir in the apples.
  7. Pour the batter into your prepared pan and bake for 40-45 minutes until the cake is set and a toothpick inserted in the center comes out clean.
  8. Allow the cake to cool completely in the pan before frosting.
Frosting
  1. In the bowl of your stand mixer fitted with the paddle attachment beat the butter, salt and sugar together until combined. Add in the buttermilk and continue mixing until fluffy, about 2 minutes.
  2. Spread on the cooled cake.

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28 Comments on "German Apple Cake with Fluffy Buttermilk Frosting"

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ColleenB.~TEXAS
Guest

Seeing this, this early in the early morning hours is making me hungry. Full of wonderful yumminess.
I’m not much of a frosting person but I bet this would be good warmed with a dollop of cool whip on top drizzled with caramel sauce.

Medeja
Guest

This buttermilk frosting sounds so good! I must try next time I am making apple cake 🙂

annie
Guest

Would it be bad manners to plunge face first into this? Oh, okay, I’ll wait until everyone else has has a slice, and then I’ll plunge. All over my face? who cares, that frosting will probably make a good moisturizer while I’m at it.

Maria
Guest

I’m definitely gonna try this!!!

iram
Guest

I know u r probably tired of this ? But when does your cookbook get released? I have preordered it and I just am too excited to get it. Btw, this cake looks amazing.

jenifer piper
Guest

Looks sooo good! Do you think this recipe could be adapted into cupcakes?!

Trisha
Guest

What, what!!!!! I am so…making this…..thank you Shelly! : )

Jennifer
Guest

Buttermilk buttercream frosting?? You’re a crazy woman! LOL

Jessica @ Sweetest Menu
Guest

THAT frosting! I just want to face plant in it! 😀

Laura @ Laura
Guest

It is way too soon to be tired of apple recipe!! I have never met a cake that wouldn’t have been better with frosting 🙂

Stephanie
Guest

This looks amazeballz!!!
Can it be made with a hand mixer??

Stevie
Guest

Hi Shelly – I rarely ‘comment’ but I just had to let you know I made this German Apple Cake today. Wow! It is WONDERFUL! and the Fluffy Buttermilk frosting? Oh my! Who needs cake? You just took a Vanilla Buttercream frosting to another level of delicioness! Genius! Can you tell I’m a fan?

Joan Hayes
Guest

Oh my gosh, I can’t handle how amazing this looks! And that buttermilk buttercream, wow! I will be making this as soon as I humanly can. 🙂

Chris
Guest

I made this recipe today and it was delicious. I normally don’t like pieces of fruit in my desserts so I diced the apples somewhat finely. The cake tastes a lot like carrot cake. It must be the cinnamon and the tangy frosting. Great autumn dessert that can double as a decadent breakfast on a cold Sunday morning.

Ashley
Guest

How is the buttermilk frosting in comparison to cream cheese frosting? I wondered if they might taste similar due to the tang factor.

Sarah
Guest

I made this today without the frosting. I used gluten free flour. Baked it for 45 minutes. It is very moist and a little greasy and way too sweet. I will make it again and cut the sugar in half and replace 1/2 the oil with apple sauce. The frosting sounds yummy but I can imagine adding more sweet to this already overly sweet cake.

Bonbon
Guest

I wish it didn’t call for so much butter! Also, I noticed no vanilla in the recipe. The buttermilk must serve as the flavor

Barbara Crouch
Guest

Can you substitute Splenda for the sugar?

Sue McClung
Guest

After adding the flour, I couldn’t even stir it. Wet my hands to press it in the pan. I followed the exact directions so y wondered why it wasn’t pourable.

Deb
Guest

Mine was the same way! I’m not sure what I did wrong….anyone else have this experience? And if so, did you figure out why?

Erma
Guest

I would add some chopped walnuts with the apples and on top of frosting.

Erma
Guest

I would add one cup of chopped walnuts with the apples and some for top of frosting too.

Jean
Guest
I made my fruitcakes yesterday with my old family Apple Cake recipe we have had for years which is very similar. But we mix the chopped apples and sugar and let set 45 minutes, stirring occasionally before making the cake. I added 1 lg candied cherries, 1 lg candied fruit cake mix, 1 cup each white and dark raisins. 1bag dried apricots I snipped up with scissors, 1 cup each coarse chopped walnuts and pecans and 1 mashed banana. Add what “you” like. I never liked my mother’s because of dried figs and dates. I like the dried apricots and… Read more »
Amy
Guest

Can you make this as a layer cake

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