OreO swiss meringue buttercream

AuthorHeather WallaceCategoryDifficultyBeginner

This swiss meringue buttercream is flavored with white chocolate and crumbled Oreo cookies.

It's perfect to eat by the spoonful, pipe it on cupcakes or spread it on brownies or a cake.

It will quickly become one of your favorite frostings!

Yields1 Serving
Prep Time30 minsCook Time10 minsTotal Time40 mins

 6 large egg whites, room temperature
 1 cup sugar
 4 sticks unsalted butter, softened but still cool, cut into 1/2 inch pieces
 2 oz white chocolate, melted and cooled to room temperature
 ¾ cup Oreo cookies, crumbled (about 10 cookies)

Heat Egg Whites . . .
1

In a large metal mixing bowl combine 1 cup of sugar and 6 room temperature egg whites, place over simmering water.

Whisk constantly until the sugar melts and the mixture is very thin and warm about 10 minutes.

Whisk Egg Whites . . .
2

Remove bowl from heat and transfer to an electric mixer bowl and whisk on high speed until stiff peaks form about 5 minutes.

3

Reduce speed to low and continue to beat until cool, about 15 more minutes.

Meanwhile, place 2 ounces of white chocolate in a bowl over simmering water and stir occasionally until melted, remove from heat. Set aside to cool.

Add Remaining Ingredients . . .
4

Cut 4 sticks of soft but cool butter into 1/2 inch pieces, beat into egg whites on low speed.

The mixture may curdle before coming together.

5

Place about 10 Oreo cookies in a food processor and pulse to make fine crumbs.

6

Gradually beat in the melted and cooled white chocolate and 3/4 cup of the Oreo crumbs into the frosting.

Re-beat occasionally to maintain a smooth texture.

7

Enjoy on a variety of different flavored cakes or cupcakes...vanilla, chocolate...try it on all different flavors!

Ingredients

 6 large egg whites, room temperature
 1 cup sugar
 4 sticks unsalted butter, softened but still cool, cut into 1/2 inch pieces
 2 oz white chocolate, melted and cooled to room temperature
 ¾ cup Oreo cookies, crumbled (about 10 cookies)

Directions

Heat Egg Whites . . .
1

In a large metal mixing bowl combine 1 cup of sugar and 6 room temperature egg whites, place over simmering water.

Whisk constantly until the sugar melts and the mixture is very thin and warm about 10 minutes.

Whisk Egg Whites . . .
2

Remove bowl from heat and transfer to an electric mixer bowl and whisk on high speed until stiff peaks form about 5 minutes.

3

Reduce speed to low and continue to beat until cool, about 15 more minutes.

Meanwhile, place 2 ounces of white chocolate in a bowl over simmering water and stir occasionally until melted, remove from heat. Set aside to cool.

Add Remaining Ingredients . . .
4

Cut 4 sticks of soft but cool butter into 1/2 inch pieces, beat into egg whites on low speed.

The mixture may curdle before coming together.

5

Place about 10 Oreo cookies in a food processor and pulse to make fine crumbs.

6

Gradually beat in the melted and cooled white chocolate and 3/4 cup of the Oreo crumbs into the frosting.

Re-beat occasionally to maintain a smooth texture.

7

Enjoy on a variety of different flavored cakes or cupcakes...vanilla, chocolate...try it on all different flavors!

OreO swiss meringue buttercream
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8 Comments

  1. Katie August 30, 2019 at 1:15 pm

    Do you see a difference between not separating and separating your Oreos?

    Reply
    1. Heather Wallace August 31, 2019 at 10:13 am

      Hi Katie,
      Thank you for your question! I’ve not tried separating the Oreos when making the buttercream but I’m sure it would be delicious! Have you tried separating them? If so, let me know how it turns out. 🙂

      Reply
  2. Marilia Iordanou May 22, 2020 at 3:52 pm

    How much serving I have to make to decorate a three layer 7 inch cake

    Reply
    1. Heather Wallace May 22, 2020 at 5:33 pm

      Hi Marilia, I used one batch of the buttercream to make a 6inch 4 layer cake so I would think you could use one batch. However, if you decide to make 2 batches it freezes well! Just thaw in the refrigerator overnight and re-whip before using. 🙂 Here is the cake I made with this frosting: https://sugarboogersweets.com/oreo-cake/. Thanks so much for the question!

      Reply
  3. Suzie January 14, 2022 at 5:49 pm

    I added a pinch of salt and vanilla extract! Otherwise, very good recipe!! 🙂

    Reply
    1. Heather Wallace February 2, 2022 at 1:13 pm

      Awesome! I’m so glad you liked it! 🙂

      Reply
  4. Nilda Sierra February 26, 2024 at 2:17 pm

    Hi Heather,
    Question what is the purpose for adding the melted white chocolate. I want to make this weekend , but I have everything except the white chocolate.
    Thank you,
    Nilda

    Reply
    1. Heather Wallace March 17, 2024 at 6:15 pm

      Hi Nilda,
      So sorry for the delay in answering your question, it is more for sweetness and you could definitely leave out the white chocolate if you don’t have it. It would be a little less sweet but still delish!

      Reply

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