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Texas Sheet Cake

When it comes to a classic cake you can’t go wrong with Grandma’s Texas Sheet Cake. A classic chocolate cake recipe with a poured frosting that has been loved for generations!

A CLASSIC SHEET CAKE RECIPE

Classic cakes just can’t be beat. They are classics for a reason. Cake recipes that are passed down from generation to generation have love written into them. You know that recipe has been tried and tested for decades. This recipe for Texas Sheet Cake is exactly that! This is so moist and full of chocolate and it has the most delicious poured chocolate frosting and chopped walnuts. If you are looking for that perfect cake to serve to your guests, you have to make Grandma’s Texas Sheet Cake recipe! Make Grandma proud!

Slice of Grandma's Sheet Cake on white plate with bite taken out.

TIPS AND TRICKS FOR MAKING GRANDMA’S TEXAS SHEET CAKE:

  • I use margarine in this recipe because that is what Grandma used. Butter will work but I found after testing that margarine actually produces a moister cake here. I should’ve just trusted Grandma.
  • This way this Texas Sheet Cake is made is a more traditional recipe. Some of the ingredients used were popular in baking during the 1950’s when this recipe became really popular. In a lot of early 20th century baking, you’ll see a reference to using “Oleo.” This is an abbreviation of the word “oleomargarine.” Today we just call it margarine. I know people turn their noses up at margarine but I promise you that Grandma does not stear us wrong here!
  • This is made in a jelly roll pan which is 10″x 15″. It will also work in a larger 12″x17″ but the cooking time needs to be lessened so it won’t over-bake. I guess you could also make it in a 9″x 13″ baking dish but it really wouldn’t be a sheet cake then, would it? I have no clue what the baking time would be on that so you’d have to play it by ear.
  • The nuts are optional – obviously. Sometimes I won’t add any nuts to the frosting itself then just add the nuts to the top of one side of the cake so folks have the option of with or without walnuts. Pecans also can be used.
  • Make sure to butter and flour your pan so this cake can release nicely.
  • A higher sided pan is recommended so the frosting doesn’t go over the sides. I have a 10″x 15″x 2″ pan that works perfect. If your frosting does overflow a bit, just gently push it back over the cake with a spatula.

GRANDMA’S ORIGINAL RECIPE:

Hand written recipe for Grandma's Texas Sheet Cake.

This recipe came from my good friend Alli’s Grandma. Every time we make it we feel like Grandma Adele is watching down on us and is just happy that we are using her recipe that has been passed down. This recipe is close to my friends’ heart. Alli is an avid baker and says that this is by far the best Texas Sheet Cake she has ever had in her life. I am honored she is allowing me to share it with you today. Every time we make this recipe, we are thankful for generational cooks like Grandma Adele who keep these recipes alive. As you can see from the card itself, it was a well-used recipe and to have it passed down is truly a gift.

Two slices of Grandma's Texas Sheet Cake on white plates with side of milk Pinterest image.

INGREDIENTS NEEDED: (FULL RECIPE AT THE BOTTOM OF THE POST)

  • margarine
  • water
  • cocoa powder
  • all-purpose flour
  • eggs
  • baking soda
  • granulated sugar
  • sour cream
  • milk
  • walnuts
  • powdered sugar
  • vanilla extract 
Ingredients needed: margarine, water, cocoa powder, all-purpose flour, eggs, baking soda, granulated sugar, sour cream, milk, walnuts, powdered sugar and vanilla extract.

HOW TO MAKE TEXAS SHEET CAKE

Preheat oven to 375F degrees. In a large saucepan add the margarine, water and cocoa powder.

Margarine, water and cocoa powder added to metal sauce pan.

Bring to a boil then remove from heat and cool slightly.

Melted butter, water and cocoa powder mixture in metal pot.

Add in flour, eggs, baking soda, sugar and sour cream.

Flour, eggs, baking soda, sugar and sour cream added to melted chocolate mixture in metal sauce pot.

Mix together well.

Mixed together cake batter in sauce pan.

Pour into a buttered and floured 10″x 15″x 2″ baking pan and bake for 22 minutes.

Cake batter poured into a floured baking pan.

Cake is done when a toothpick is inserted and comes out clean.

Finished baked cake in baking pan.

Meanwhile for the frosting: in a saucepan add the margarine, milk and cocoa powder.

Margarine, milk and cocoa powder added to metal sauce pan.

Bring this mixture to a boil.

Melted butter, milk and cocoa mixture in metal sauce pan.

Remove from heat and add in chopped nuts (optional), powdered sugar and vanilla.

Nuts, powdered sugar and vanilla added to cocoa mixture in metal sauce pan.

Beat well until combined.

Frostig stirred together in metal sauce pan.

Immediately pour over warm cake and top with extra walnuts if desired.

Frosting poured over top of cake and topped with more nuts.

Let cool until frosting is set.

Cake pan of Grandma's Texas Sheet Cake with a few slices missing.

Cut and serve.

Slice of Texas Sheet Cake on white plate with hand holding black fork going into cake.

HOW TO STORE:

  • Grandma’s Texas Sheet Cake Recipe will last for up to 5 days at room temperature if covered. You can also store in the refrigerator if you’d like but it’s not necessary.
  • This recipe can also be frozen. To freeze: make recipe as directed, frosting and all. Keep in pan and cover tightly with plastic wrap and then foil. It will keep for up to 1 month in the freezer.
  • To defrost: remove cake from freezer and place in refrigerator or on the countertop until defrosted. Then serve!

CRAVING MORE RECIPES?

Square image close up of Grandma's Texas Sheet Cake on white plate with bite taken out

Texas Sheet Cake

When it comes to a classic cake you can't go wrong with Grandma's Texas Sheet Cake. A classic chocolate cake recipe with a poured frosting that has been loved for generations!
5 from 27 votes
Print Pin Rate
Prep Time: 20 minutes
Cook Time: 22 minutes
Total Time: 42 minutes
Servings: 20 slices

Ingredients

Cake:

Frosting:

Instructions

  • Preheat the oven to 375F degrees.
  • In a large saucepan, bring to a boil margarine, water and cocoa powder.
  • Remove from heat and cool slightly.
  • Add in flour, eggs, baking soda, sugar and sour cream to the saucepan.
  • Mix together well.
  • Pour batter into a buttered and floured 10”x15”x2" baking pan and bake for 22 minutes.
  • For the frosting: in a saucepan, bring to boil margarine, milk and cocoa powder.
  • Remove from heat and add in chopped nuts, powdered sugar and vanilla.
  • Beat well until combined and immediately pour over warm cake.
  • Let cool until frosting is set.

Notes

  • I use margarine in this recipe because that is what Grandma used. Butter will work but I found after testing that margarine actually produces a moister cake.
  • This way this Texas Sheet Cake is made is a more traditional recipe. Some of the ingredients used were popular in baking during the 1950’s when this recipe became really popular. In a lot of early 20th century baking, you’ll see a reference to using “Oleo.” This was just a name brand for margarine. 
  • This is made in a jelly roll pan which is 10″x 15″. It will also work in a larger 12″x17″ but the cooking time needs to be lessened so it won’t over-bake.
  • Make sure to butter and flour your pan so this cake can release nicely.
  • A higher sided pan is recommended so the frosting doesn’t go over the sides. I have a 10″x 15″x 2″ pan that works perfect. If your frosting does overflow a bit, just gently push it back over the cake with a spatula.
Course: Dessert
Cuisine: American

Nutrition

Calories: 391kcal | Carbohydrates: 53g | Protein: 4g | Fat: 20g | Sodium: 230mg | Fiber: 1g | Sugar: 41g

Nutritional Disclaimer

“The Country Cook” is not a dietician or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories and other nutritional values can vary quite a bit depending on which brands were used.

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Recipe Rating




13 Comments

  1. 5 stars
    Five stars. I made it exactly to the recipe except for the walnuts. Will definitely make again.

  2. 5 stars
    We really enjoyed this recipe! My first time making a cake from scratch and I was so impressed with myself – ha! It was a huge hit at our daughter’s birthday party!

  3. 5 stars
    I used to make these all the time for catering events. For some reason around here the name got lost in the translation. The first time I heard, “OH! You mean Texas Pete Cake!” I laughed. Nope no texas pete in my cake! 😉

  4. 5 stars
    So good! I think many of us have gotten so used to boxed cake mixes that we forget what real homemade cakes taste like. Thank you for this recipe!!

  5. 5 stars
    This is the exact same recipe I have used for over 50 years. I mean, exactly the same so I can testify that is SO GOOD! Besides the great taste, you can have it on the table, start to finish, in about 30 minutes! I remember one family reunion at a cabin at Lake Allatoona (North Georgia) in the 70’s when I made three of these in a row (using the same pan) – as soon as one came out of the oven and was iced, it disappeared and everyone was calling for MORE! Within a two-hour period I baked and watched everyone eat up THREE Texas Sheet Cakes! (It was a big family reunion!)