Chocolate Mayonnaise Cake has to be one of the most decadent, delicious and easy cakes I have ever made! Simply combine all ingredients together, pour into a pan and bake.  That is it!  You will never want to use a prepared cake mix again once you try this recipe!

Piece of Chocolate Mayonnaise Cake on a white plate with a bite taken out of it

I’m definitely not a cake snob, I’m happy to use a boxed cake mix in a pinch (or even to doctor them up like in my favorite Chocolate Banana Cake).  But seriously, this Mayonnaise Cake makes even boxed cake mixes seem like work! Mix ingredients together, pour into a pan, bake…done!

If you believe you are not a baker at heart, you’ll love this Chocolate Mayonnaise Cake recipe because it’s so easy – even you can bake it perfectly!

Whole Chocolate Mayonnaise Cake in a baking dish with a piece removed from it

Don’t let the idea of mayonnaise in a cake scare you away.  Mayonnaise is basically made of oil and eggs which are in pretty much every cake recipe and it truly makes this cake moist and decadent.


  • Using full fat mayonnaise produces the best results.  Light versions work but it will change the texture of the cake and make it chewier.
  • Don’t overmix the batter.  It may appear slightly lumpy but that is ok.
  • Use room temperature eggs. If your eggs are cold, place them in a bowl of warm water for a few minutes. There are no eggs in this recipe but a great tip when baking cakes in general!
  • When measuring flour it’s important to remember not to scoop it into the measuring cup directly from your flour container (this packs it down and measures too much flour). Simply spoon the flour into your dry measuring cup and level the excess off with a straight edge.
  • Do not over bake your cake.  Check it by inserting a toothpick into the cake.  If the toothpick comes out clean, your cake is good.

I can remember being a teenager and my friend’s mom made a mayonnaise cake. I have to admit that 3o years later, I still remember that moist tender cake and how amazing it was!  When I got my hands on a pile of vintage recipe books and saw this recipe again, I knew I had to make it.  There is a good reason this old fashioned mayonnaise cake recipe has been around for so long!

Piece of Chocolate Mayonnaise Cake on a white plate

You can use any kind of frosting on this cake including my One Minute Easy Chocolate Frosting  or my favorite Chocolate Ganache Frosting. This Chocolate Mayonnaise Cake is so wonderfully simple and unbelievably delicious that your friends will be asking for the recipe!

Piece of Chocolate Mayonnaise Cake on a white plate with a bite taken out of it
4.87 from 325 votes↑ Click stars to rate now!
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Chocolate Mayonnaise Cake

Chocolate Mayonnaise Cake has to be one of the most decadent, delicious and easy cakes I have ever made! Simply combine all ingredients together, pour into a pan and bake. That is it! You will never want to use a prepared cake mix again once you try this recipe!
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 16 9 x 13 pan


  • 2 cups flour
  • 1 cup sugar
  • 2 teaspoons baking soda
  • 1 teaspoon vanilla extract
  • ½ cup unsweetened cocoa powder
  • 1 cup creamy salad dressing Miracle Whip or mayonnaise
  • 1 cup water lukewarm


  • Preheat oven to 350°F.
  • Grease and flour a 9x13 inch baking dish. 
  • Mix together all the ingredients in a large bowl.
  • Pour into prepared baking dish.
  • Bake in preheated oven for about 30 minutes or until a toothpick inserted in the center comes out clean.
  • Allow to cool completely.
4.87 from 325 votes

Nutrition Information

Calories: 207 | Carbohydrates: 26g | Protein: 2g | Fat: 11g | Saturated Fat: 1g | Cholesterol: 5mg | Sodium: 248mg | Potassium: 60mg | Fiber: 1g | Sugar: 12g | Vitamin A: 10IU | Calcium: 7mg | Iron: 1.1mg

Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.

Course Dessert
Cuisine American

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Holly is a wine and cheese lover, recipe creator, shopping enthusiast and self appointed foodie. Her greatest passion is creating in the kitchen and making deliciously comforting recipes for the everyday home cook!
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Recipe Rating


  1. Thanks so much for a great cake recipe that really brought back childhood memories. My grandma was a fantastic baker and she would often make a similar cake. I’ve made this recipe twice now, and it was delicious both times. I used warm coffee instead of water. I usually do in all my chocolate cake recipes. This recipe is so simple and so scrumptious. It’s a hit with my family. In fact, I made it tonight because my son has been requesting it.5 stars

  2. Fell apart completely, couldn’t get it out of the pan in even 1 inch sections. I liked the taste, but definitely would add eggs, if I ever tried making it again. It had no coagulation whatsoever.2 stars

  3. It took about 23 minutes to bake. Not terrible, but there was a bitter taste. I think it was the baking soda. It wasn’t bad with plenty of frosting. I do wonder if the baking soda could be reduced. A few weeks later, I tried a different mayonnaise cake recipe. This one includes eggs and less baking soda. It was much better.3 stars

  4. Taste was good but it was dry and crumbly. I didn’t over mix or overcook it. In fact, I cooked it for 25 mins instead of the 30 mins. I have baked for over 30 years, always trying new recipes and have great success. But this definitely didn’t turn out as I had hoped.4 stars

  5. So easy to make and delicious. The texture is perfect, not too crumbly or too dense. Thank you for a new family favourite :)5 stars

  6. I just stumbled on your blog by accident, and am I glad that I did! I made this recipe today. It went together so quickly and it was so easy, and it was delicious. My son absolutely loved it. I will definitely make this again. And again, and again, and you get the picture. Thank you for making life a little easer and sweeter. I liked that the cake wasn’t overly sweet. It was just right.5 stars

    1. I haven’t tried it so I can’t say for sure Joanna, but that should work just fine. I would begin checking the cakes early and bake until a toothpick inserted in the center comes out clean.

  7. I learned of a mayo cake from a nice lady I exercise with.

    I’m curious after making this cake (and waiting for it to cool – to try it) why anyone would buy a boxed cake mix. The amount of work, and ingredients of your recipe versus the boxed type, seem a wash, except your ingredients are a lot cheaper.

    Thanks for the recipe and I look forward to trying others.

    From a retired, alone, old guy, trying recipes for the fun of it.

  8. This was the first cake recipe I was taught in Home Ec. That was almost sixty-three years ago. Been around for a long time.

  9. I agree with some of the reviewers. Tasteless and dry. Cooked less then 30 minutes or it would have been worse. Something is missing from this recipe, there isn’t enough batter to fill the 9×13 pan. And yes measured exactly as written used regular fat mayonnaise. Awful!!5 stars