The BEST Texas Sheet Cake

The best (and easiest) Texas Sheet Cake is an amazing chocolate cake recipe made in a jelly roll pan and covered in warm chocolate frosting.

Prep time: PT10M

Cook time: PT15M

Total time: PT30M

Rating

4.94 stars (1494 reviews)

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Preheat oven to 350 degrees F and grease a 18x13'' pan.
Add water butter cocoa powder to a medium saucepan over medium heat. Bring mixture to a boil.
Meanwhile, in a separate bowl mix together the flour, sugar baking soda and salt. 
In another small bowl mix together the sour cream, eggs and vanilla. 
Add sour cream/egg mixture to the flour mixture and mix until combined. 
Once the chocolate mixture in the saucepan in boiling, remove it from heat and pour it into the batter. Mix until combined and no lumps remain.
Pour mixture into prepared pan and smooth with a spatula to make sure it is dispersed in an even layer.
 Bake in preheated oven for 15-20 minutes or until set (mine is usually done around 15 minutes).
When the cake is about half-way through cooking, prepare the frosting.
For the Chocolate Sheet Cake Frosting
- Add milk, cocoa and butter to a saucepan. Bring mixture to a boil. 
- Once boiling, remove it from the heat and stir in powdered sugar. I like to beat the mixture with my hand-held mixer to get rid of any lumps.
- Pour hot icing over hot cake. Use a spatula to spread it evenly over the cake. Allow frosting to set for about 10 minutes before eating.

Rachel G on 2024-05-22 (5 stars):
Never even heard of a Texas sheet cake until I saw this recipe on Instagram. Wow ! What a simple cake but it is just so so so so good. The cake... the frosting... I've never liked such a simple chocolate cake before. SO good ! Making it again after just a few days :)