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Texas Sheet Cake

Texas Sheet Cake made the Michigan way!  With the warm decadent fudge frosting poured over top marshmallow fluff and swirled around with the melting fluff. This moist chocolate cake is the size of Texas, but with all the swirly “white stuff” it’s as heavenly as the Great State of Michigan!

That’s the way we do it baby (sing it with me). No chopped pecans.  We don’t grow those up here.  But we do have a lot of white stuff! Egads!  Do you Texans want some?  Do you even get snow in Texas? I’m googling Texas, snowfall, weather. If you are from the great state of Texas, let me know if you get snow, like lots of snow, not just a dusting.  I’m talking feet of snow, people. I am a chocolate and pecan lover, however in my opinion, this is the best way to make Texas Sheet Cake. Growing up, this chocolate cake recipe was a picnic staple. It was always at potlucks, and I would basically run past all the casseroles, and jello salads until I found this cake and then I would snag me a piece before it was gone! There are so many versions of this recipe. This is the classic cake recipe that we always made from our church cookbook.

ingredients for michigan style texas sheet cake on a wood cutting board with a gray background
  • butter
  • granulated white sugar
  • unsweetened cocoa powder
  • boiling water
  • all purpose flour
  • buttermilk
  • salt
  • baking soda
  • eggs
  • marshmallow fluff
  • vanilla extract
  • powdered sugar
  • milk
  • Half sheet pan 13×18 also called a jelly roll pan
  • medium sauce pan
  • large bowl
  • whisk
  • large spatula

Preheat oven to 350 degrees. Boil enough water for 1 cup.

melting butter in a saucepan for michigan style texas sheet cake recipe

Add butter to a medium sized saucepan. Melt butter, add in 4 heaping tablespoons unsweetened cocoa powder, and whisk when smooth, add 1 cup boiling water. Whisk to combine. Remove from stove top.

whisking together dry ingredients for texas sheet cake upper left hand corner has chocolate in sauce pan upper right hand corner has wet ingredients of egg and buttermilk

Combine flour, sugar and salt in a large bowl, whisk together. Set flour mixture aside.

mixing egg, buttermilk, and baking soda in a large glass measuring dish

Measure 1/2 cup buttermilk, add eggs to the buttermilk and whisk until eggs are completely whipped together. Add baking soda to these wet ingredients.

adding hot wet ingredients to the dry ingredients in a glass bowl using a light blue spatula on gray counter top

Add chocolate ingredients to the dry ingredients, combine with a spoon until smooth.

adding egg buttermilk mixture to the cake batter

Add egg mixture next and stir until smooth. Batter will look glossy when it’s mixed well.

pouring texas sheet cake batter into an ungreased 12x15 inch jelly roll pan

Pour batter into an ungreased jelly roll pan or sheet cake pan. There will be a lot of bubbles, tap the pan on the counter a few times to knock out some of those bubbles.

Bake at 350 degrees for 20 minutes, it may need another 5 minutes. If the cake springs back when you press down gently in the center, then its done!

chocolate sheet cake with mashmallow fluff dolloped on top

Immediately open your jar of marshmallow fluff and eat one large spoon of it, then dollop the rest of the jar on top of the warm cake. It will start to melt and then you can spread it a round just a bit.

melted butter and cocoa powder in medium saucepan for fudge frosting

Make the frosting. No need to completely clean the sauce pan from earlier, maybe just wipe it out with a paper towel if you feel you need to. Add 3/4 cup butter (1 1/2 sticks) to the pan, over medium low heat, add 4 heaping tablespoons of unsweetened cocoa powder, whisk until smooth.

adding vanilla extract to the fudge frosting

When mixture starts to boil, remove from stove top and whisk in vanilla extract.

whisking powdered sugar into the fudge frosting

Add 1 pound powdered sugar, 1/3 cup milk and whisk until smooth. Work fast because you want this to be rather warm when you pour over the marshmallow fluff. If it seems too thick and not pourable add just a little bit more milk like a teaspoon at a time.

whisking fudge frosting in medium sized stainless steel sauce pan on a gray counter top
spreading fudge frosting over the marshmallow cream on top of chocolate sheet cake

Pour warm frosting over cake covered in marshmallow fluff, using a frosting knife or a spatula, swirl frosting and fluff around together. There will be a few spots that the frosting runs over the edge. No worries, if it gets floody and look like it wants to run over the edges of your pan. This is no time to panic. Spread it around, pour more, let is seep in around the edges.  It’s going to be just fine, more than fine actually!

corner of the texas sheet cake with fudge frosting running over the edge

Now you can eat this right away; dollop a scoop of ice cream on top while its warm. Or if you must, let cake cool, cover with plastic wrap and bring it to the party!

one square piece of michigan style texas sheet cake on a white plate with sheet cake in the background and a fork resting on the plate, small marshmallows are strewn around on a beige nakin, place pat
  • Buttermilk Substitute: If you find yourself with out buttermilk in the house, have no fear! Add 1 tablespoon of white vinegar to 1 cup of whole milk, let this stand for 5 minutes, stir, and Voila! Buttermilk!
  • Special ingredient: Add one teaspoon of cinnamon to the cake batter and you will not be sorry! Adding cinnamon gives it a twist that is barely detectable, it’s delicious! Add the cinnamon in with the dry ingredients.
  • Mexican Chocolate Cake: add 1/4 -1/2 teaspoon of cayenne pepper and 1 teaspoon of cinnamon to the dry ingredient for the cake batter. Add 1 teaspoon cinnamon and 1/4 cayenne pepper to the frosting as you add the powdered sugar. Bring on the heat! This is so delicious especially topped with vanilla bean ice cream when the cake is warm.
  • Peanut Butter: Instead of marshmallow fluff dollop 1 cup of creamy peanut butter on top of the warm cake and then pour the warm frosting over and swirl around. Sprinkle chopped peanuts over the top! YUM!
square of chocolate texas sheet cake on a white plate with cake pan in upper left hand corner, marshmallows strewn around

All of these cakes are perfect for family gatherings, birthdays, picnics with friends, and summer potlucks . Remember to tell people Eat2gather.net is where they need to go if they ask for the recipe!!

Strawberry Cake

Peanut Butter Snack Cake

Caramel Apple Sheet Cake

Enjoy!! XOXO Sheila

one square piece of michigan style texas sheet cake on a white plate with sheet cake in the background and a fork resting on the plate, small marshmallows are strewn around on a beige nakin, place pat

Texas Sheet Cake “Michigan style”

Sheila
Decadent Fudgey Chocolate Sheet Cake with marshmallow cream swirled in the warm fudge frosting.
No ratings yet
Prep Time 20 minutes
Cook Time 25 minutes
Total Time 1 hour
Course Dessert
Cuisine American, baked goods
Servings 24 servings
Calories 355 kcal

Equipment

  • 1 13×18 sheet pan with edges

Ingredients
  

  • 1 cup butter 2 sticks
  • 1 cup Water
  • 4 Tblsp Cocoa heaping
  • 2 cups Flour
  • 2 cups Sugar
  • 1/2 tsp Salt
  • 1/2 cup Buttermilk
  • 2 Eggs
  • 1 tsp Baking Soda
  • 1 small jar Marshmallow Fluff 7ounces

Icing

  • 3/4 cup butter 1 1/2 sticks
  • 4 Tblsp Cocoa
  • 1/3 cup Milk
  • 1 pound Powdered Sugar approximately 3 1/2 cups
  • 1 tsp Vanilla

Instructions
 

Preheat oven to 350 degrees, do not need to grease pan.

  • Cake: In a saucepan melt butter add cocoa powder. Bring water to a boil (or use really hot tap water) add to butter cocoa whisk together. When mixture starts to boil, and remove from heat. Bake at 350 degrees for 25 minutes or until toothpick comes out clean.
  • In mixing bowl combine flour, sugar, and salt. Add warm chocolate mixture to flour combine until smooth and glossy.
  • In a separate bowl whisk together buttermilk, eggs, and baking soda. Add this to the cake batter, stir until smooth. Pour into an ungreased 12×15 jelly roll or sheet cake pan.
  • Bake for 20-25 minutes. When you slightly press finger into the middle the cake should spring back then its done!
  • Dollup marshmallow fluff on top of cake as soon as it's out of the oven. Let the marshmallow sit a minute and start to melt, then it will be easier to spread.

Icing

  • While cake is baking: Add butter and cocoa to saucepan over medium heat melt butter and whisk the two ingredients together, when butter is melted and mixture starts to bubble remove pan from stove top add vanilla, and powdered sugar whisk add milk gradually until smooth.
    Slowly, pour over marshmallow covered cake making swirl patterns in the icing with spatula so that the marshmallow shows through.

Notes

Buttermilk:  If you do not have buttermilk on hand you can measure out 1 cup of regular milk (preferably high fat 2% or whole milk) add 1 tablespoon of white vinegar or lemon juice to the cup and let it sit for a few minutes, stir and use in place of buttermilk. 

Nutrition

Calories: 355kcalCarbohydrates: 55gProtein: 2gFat: 15gSaturated Fat: 9gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gTrans Fat: 1gCholesterol: 50mgSodium: 255mgPotassium: 33mgFiber: 0.5gSugar: 43gVitamin A: 448IUCalcium: 23mgIron: 1mg
Keyword cake, chocolate, fudge, marshmallow, sheetcake
Tried this recipe?Mention @eat2gather or tag #eat2gather!

Did you grow up munching on Texas Sheet Cake?  How did your momma make it? Do you call it Texas Sheet Cake, or maybe just Chocolate Sheet Cake?

Whatever you call it is heavenly! XOX Sheila

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11 Comments

    1. Thanks Vanessa! I can picture it now…take a deep bow my friend! Hope you are well! Thanks for stopping by. xoxox

  1. Oh, Sheila! This looks fantastic. Not gonna make it tonight but I’m definitely going to tuck this one away for a special occasion–one where there is more than just me to eat it! Thanks for sharing!

  2. I could absolutely not refuse a piece of this cake. I can barely stop myself from licking the screen! There is just something about an ooey gooey sheet cake – it’s irresistible.

    1. Oh don’t lick the screen girlfriend…just go make yourself one! I have made it into cupcakes also…did I say that already ;/ makes 36. Portion control! Have a great day!

      1. I am waiting for the cake to come out of the oven right now….always smells so wonderful in the house when I bake. My husband is always glad to come home 🙂 . The marshmallow Fluff will be so fun to work with, too. I love the snow, so what we’re getting now is ok. I just don’t want ice. By the way – I LOVE Michigan…..we go to South Haven, Holland, Traverse City, etc. as often as we can. Thanks for sharing your recipes, Shelia!

  3. Oh my, I want some of this. NOW! LOL It looks really, really good Sheila. And I did grow up eating Texas sheet cake with the pecans in it. I have family in Texas! 🙂