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Troy Chocolate Cake

by on February 29, 2008 · 15 comments

I don’t usually serve this kind of thing as an after school snack, but it’s Friday and Fuzz has had a rough week so I decided to bake her a little cake using a recipe I found in my mom’s messy old binder o’ clippings. This one was written on a loose index card in handwriting that looks very much like my aunt Dianne’s. Then again, I am not exactly sure why she would put my mom’s name on top of it so it might have been written by someone else….

Troy Recipe

But many thanks to the person who wrote this down! We loved it.

Troy Chocolate Cake


Here’s the recipe as written on the card.

Troy Chocolate Cake
Prep time
Cook time
Total time
An easy chocolate cake made with mayonnaise.
Recipe type: Dessert
Cuisine: American
Serves: 16
  • 1 cup granulated sugar
  • 1/2 cup mayonnaise
  • 1 large egg
  • 1 teaspoon vanilla
  • 1/2 cup cocoa powder
  • 1/2 teaspoon salt
  • 1 teaspoon baking soda
  • 1 1/4 cups flour
  • 3/4 cups lukewarm water
Sour Cream Chocolate Icing
  • 4 tablespoons butter
  • 1/3 cup cocoa powder (unsweetened natural)
  • 1 ½ cups sifted confectioners sugar
  • 1/3 cup sour cream
  • 1 teaspoon vanilla
  1. Combine first 4 ingredients in bowl. Sift dry ingredients together. Add them & the water to creamed mixture. Beat till well-blended. Bake at 325 degrees (I used an 8 inch square pan) for 35 minutes. For cupcakes, bake at 350 degrees for 15 minutes.
  2. To make the frosting, melt the butter and place in a microwave safe bowl. Add the cocoa powder and stir until smooth. Add the confectioner’s sugar and sour cream alternately to the chocolate mixture and beat until fluffy. Beat in the vanilla.
1. I baked it in an 8 inch square metal pan. Only one bowl is required for mixing and I didn’t need an electric mixer for the cake batter.
2. If you make the frosting, you will need the electric mixer. Even with the mixer, mine had a few lumps, but it was great frosting.
3. Since the recipe calls for baking soda and no baking powder, I used natural cocoa, which is more acidic than Dutch process. Dutch process might work, but the natural was excellent.


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Published on February 29, 2008

{ 15 comments… read them below or add one }

Jennywenny February 29, 2008 at 4:11 pm

This reminds me of the first of a lovely series of plays they had on radio 4 on the bbc which I listened to on the internet. They made a sort of revenge cake with a whole jar of mayonnaise in as the husband hated mayonnaise and it turned out to be wonderful! Certainly looks very moist!

Charley February 29, 2008 at 4:15 pm

This recipe looks very similar to the chocolate mayonnaise cake that was given to my mother by my old school bus driver. I grew up only 40 minutes from Troy so I’m curious about the origination of the recipe. Thanks for reminding me of this treasure.

Catherine February 29, 2008 at 4:19 pm

I just love the stories behind the faded recipe cards. My grandmother left such cryptic messages on hers…I’m still trying to figure them out. What do you think “cat paw, lemon, on the way to church” means???

Michelle W. in Calif. February 29, 2008 at 4:22 pm

That looks yummy! I always put mayo in my chocolate cakes….and that’s my fave Cake Mix Doctor frosting. Love those books!
(my cookie dough is chillin’…) :-)

Anna February 29, 2008 at 8:37 pm

Well, first off, I went back to the binder and found some more recipes with the same handwriting — Honey Ice Cream and Summer “Creme” Pie. I’m fairly certain the recipes are from my aunt, who lived in New York and would likely have a recipe from Troy. She must have written out multiple cards and wrote names on cards to keep track of which ones were for who.

Jenny, my husband hates mayonnaise too — but not in cake! I’ve made mayonnaise cakes before, but the ones I’ve made used mayonnaise in place of eggs. This one is interesting in that it also includes the egg.

Charley, maybe it appeared in a Troy newspaper? It would be interesting to know just why it’s called “Troy Chocolate Cake”. And I have to admit, I always thought mayonnaise cakes were Southern thing.

Cathering, I must have too much time on my hands today because I have also been trying to figure out what “cat paw, lemon, on the way to church” means.

Michelle, I picked this frosting recipe at random because it seemed easy and I had some sour cream. It was definitely a good pick.

Noble Pig March 1, 2008 at 9:30 am

Wow! I don’t remember any after school snacks like this!

jancd March 2, 2008 at 5:56 pm

I made the cake today and although I liked the easy cake, I did not care for the icing. I think it was the sour cream. I’ll make it again, just not use that icing. I’m sure it will be eaten though–ha. Jancd

Cakelaw March 3, 2008 at 6:35 am

Hi Anna, I have never seen mayonnaise used in a cake before, but if Fuzz liked it, it must be good.

Jennifer March 3, 2008 at 10:31 am

I love mayo in cakes…
And I can’t believe anyone wouldn’t love the chocolate sour cream frosting. THat’s my go-to chocolate icing, so good!

Anna March 3, 2008 at 11:19 am

Maybe chocolate sour cream icing is a love it/hate it sort of thing? Who knows. Ours turned out really good.

Another thing that can ruin perfectly good icing is using old powdered sugar or sugar that’s absorbed flavors from somewhere else. A hole in the box or partially opened bag can ruin powdered sugar.

Alexandra February 21, 2009 at 11:31 am

I loved it and your so cute it so good I had a party at school me and my mom made it and every body loved it very much and can I have your phone number please Troy.


Sue June 19, 2011 at 7:56 pm

Hi Anna!
I made this for Father’s Day. It was easy to make and turned out really good. Very moist, and a little dense in a good way. I made a different frosting to fulfill a request for white frosting. Thanks Anna!

jane February 4, 2013 at 6:33 pm

I have been baking this cake for over 30 years.
I first saw the recipe on my utility bill. A person from Troy, N.Y. submitted it.
Thus the name Troy Choc. Cake

It is wonderful even without icing, and freezes well.


Anna February 4, 2013 at 8:12 pm

Love the story about how you saw it on your utility bill! I wish Austin Energy would put recipes on my utility bill :)

Pam January 13, 2014 at 1:00 am

Maybe they call it Troy because of the mayo being like a trogan horse. It hides inside the deliciousness of the chocolate cake. It’s so sneaky you don’t even know it’s there until it’s too late ;)

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