3 Musketeer Mississippi Mud Cake

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3 Musketeer Mississippi Mud Cake a rich, dense brownie is topped with toasted marshmallows, 3 Musketeers candy bars and chocolate ganache.

Indulge in the irresistible decadence of a 3 Musketeer Mississippi Mud Cake.

3 Musketeers Mississippi Mud Cake

The 3 Musketeer Mississippi Mud Cake is a decadent and indulgent dessert that captivates with its rich, layered flavors and irresistible fudgy texture. This cake, inspired by the classic cake, embodies layers of sumptuousness.

The base comprises a dense and moist chocolate cake providing a solid foundation for the layers to come. As you delve deeper, you encounter a luscious filling of light, fluffy nougat of 3 Musketeers bar, adding a delightful contrast to the cake’s richness. Topping off this culinary masterpiece is a lavish drizzle of velvety chocolate ganache, evoking the essence of a chocolate lover’s dream.

Each bite is a blend of textures and tastes, creating chocolatey bliss that is sure to delight even the most discerning dessert aficionados.

The 3 Musketeer Mississippi Mud Cake stands as a testament to the artistry of flavors and textures, leaving a lasting impression with every forkful.

3 Musketeers Mississippi Mud Cake

Blog Chocolate

I’ll just be honest: I have two plastic containers and a drawer full of chocolate at all times. I hate to run out of an ingredient when I’m cooking, so I tend to have too much of everything all the time. And, I pick up chocolate for baking after the holidays when it’s on sale whether I need it or not… because #onsale. 

I went a little overboard after Christmas this year. That’s when I had to start using a deep drawer to hold it all in addition to the plastic containers.

I told my boys, this chocolate is not snacking chocolate. This chocolate is blog chocolate. Lincoln said, “What’s blog chocolate?” “It’s for the blog.” “But it’s just chocolate, Mom.” “No, it’s in the drawer; it’s for the blog.” At this point, he took my hand, looked me in the eye, and said, “Mom, you do know that chocolate is the same as the other chocolate, right?”😂

Mississippi mud cake with pieces of 3 Musketeers inside.

Favorite Mud Cake

I’ve made Mississippi Mud Cake many times, but never 3 Musketeer Mississippi Mud Cake. In fact, along with Strawberry Cake, MS Mud Cake was my favorite dessert growing up.

You may hear Ms Mud Cake called Rocky Road Brownies. I’ve seen it both ways for the same recipe.

There’s also Mud Pie that’s popular.

3 Musketeer MS Mud Cake

3 Musketeer Mississippi Mud Cake Tips

  • I use semi-sweet chocolate baking bars for this dessert. I like it better than using chocolate chips. Chocolate bars melt smoother than chocolate chips. I find the chocolate baking bars on the baking aisle, where they stock chocolate chips and cocoa powder. You can read my tips on How to Melt Chocolate for the best results.
  • I also like small marshmallows versus large ones. The big marshmallows, well, they’re just too big. Get the plain minis, not the flavored ones.
  • You’ll want the butter and eggs to be at room temperature. Just sit them on the counter for an hour, and you’ll be good to go.
  • Lastly, don’t over-beat this mixture. If you’re using an electric mixer, stir on low until everything is combined and smooth, about 1 minute. If you’re stirring it by hand, mix until everything is combined, smooth, and you don’t see dry flour or cocoa.

More dessert you’ll love

3 Musketeer Mississippi Mud Cake 3

3 Musketeer Mississippi Mud Cake

Fudgy brownies are topped with chocolate frosting and 3 Musketeer Bars.
Author: Paula
5 from 24 votes
Print Pin Rate

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Prep Time: 15 minutes
Cook Time: 40 minutes
Total Time: 55 minutes
Servings: 16 slices

Equipment

Ingredients

  • 1 cup butter at room temperature
  • 4 ounces semisweet chocolate chopped
  • 2 cups granulated sugar
  • 1 and 1/2 cups all-purpose flour
  • 1/2 cup unsweetened cocoa
  • 4 large eggs
  • 1 teaspoon vanilla extract
  • 3/4 teaspoon salt
  • 10.5 ounce bag miniature marshmallows
  • 6 regular size 3 Musketeer candy bars chopped in large chunks

Chocolate Frosting

  • 1/2 cup butter
  • 1/3 cup milk
  • 1/3 cup unsweetened cocoa sifted
  • 4 cups confectioners sugar
  • 1 teaspoon vanilla extract

Instructions

  • Preheat oven to 350 degrees.
  • Line a 15x10x1 inch sheet pan with foil or parchment paper. Spray with non-stick spray.
  • Microwave 1 cup butter and chocolate in a microwave-safe bowl at 30 second intervals until melted. Stir to combine and allow to cool.
  • Combine sugar, flour, cocoa and salt.
  • Combine eggs and vanilla with cooled chocolate.
  • Add egg mixture to flour mixture and mix until combined and smooth.
  • Pour onto prepared sheet pan.
  • Bake at 350 degrees for 20 minutes.
  • Carefully remove from oven and spread marshmallows evenly over brownie layer.
  • Return to oven and bake 8 to 10 minutes to toast marshmallows.
  • Remove from oven and immediately sprinkle with 3 Musketeer candy bars.

Make Chocolate Frosting:

  • Combine butter, cocoa and milk in a small sauce pan over low heat. Cook 2 to 3 minutes until butter is melted and mixture thickens slightly.
  • Add confectioners sugar one cup at a time, whisking to combine.
  • Add vanilla and whisk until smooth.
  • Pour over slightly cooled cake.

Nutrition

Calories: 546kcal | Carbohydrates: 86g | Protein: 5g | Fat: 22g | Saturated Fat: 14g | Cholesterol: 99mg | Sodium: 301mg | Potassium: 153mg | Fiber: 2g | Sugar: 68g | Vitamin A: 620IU | Calcium: 31mg | Iron: 2mg
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15 Comments

  1. 5 stars
    I just gave this recipe a whirl for a small gathering, and it was a great surprise! I have to admit, the name made me chuckle at first, but the taste totally won me over. It was also an instant hit with my family and friends who tried it. So excited to make this yummy dessert again! Thanks!

  2. 5 stars
    Made this 3 Musketeer Mississippi Mud Cake for a family get-together, and it was an absolute hit! The combination of rich chocolate, fluffy marshmallows, and those tasty 3 Musketeers bars was a game-changer. It disappeared in no time, and everyone asked for the recipe. Thanks for sharing this delightful and indulgent treat!

  3. 5 stars
    I’m not a huge candy person but Three Musketeers is one of the few I do like! This cake was so decadent and indulgent, I had to give the leftovers away or I was scared I’d eat the entire thing myself! Perfect for leftover Halloween candy too 😉

  4. 5 stars
    Made these over the weekend — and they were a major hit with my boys and we used snickers fun bars. That icing reminds me of Texas sheet pan icing, which I loooooooooove! So good, definitely a new favorite treat in the family.

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Your email address will not be published. Have you tried this recipe? Consider giving it 5 stars!