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Grandma Shoaf’s Quick and Easy Chocolate Sheet Cake


  • Author: Melissa Griffiths - Bless this Mess
  • Prep Time: 20 min
  • Cook Time: 30 min
  • Total Time: 50 min
  • Yield: 30 1x

Description

This chocolate sheet cake recipe with easy-to-make homemade icing is the tastiest dessert ever! If you’re celebrating a birthday any time soon, this cake is a perfect option.


Scale

Ingredients

For the cake:

  • 1 box Betty Crocker Devil’s Food Cake Mix (plus ingredients called for on the box)

For the icing:

  • 1/2 cup butter (1 stick)
  • 1/4 cup cocoa powder (I like the dark dutch-processed kind, and my family prefers normal Hershey’s kind)
  • 1/3 cup milk
  • 4 cups powdered sugar (1 pound)
  • 1 teaspoon vanilla
  • As many sprinkles as your heart desires! The more the better.

Instructions

  1. Preheat the oven to 350 degrees F. Make the cake batter according to the package directions, and spread it evenly into a large, rimmed sheet cake pan that’s been greased well (also called a Jelly Roll pan — should measure about 17.5×13 inches).
  2. Bake until the cake is cooked through. You’ll start to smell the cake, and the cake will spring back when touched lightly, about 12 to 15 minutes.
  3. While the cake is cooking, in a small saucepan heat the butter, milk, and cocoa over medium heat until the butter melts, stirring often. Remove from the heat.
  4. Add the powdered sugar to a large bowl (you can also use a stand mixer here), and slowly whisk the melted butter mixture into the powdered sugar. Stir until well combined and no lumps remain. Add the vanilla, and stir to combine.
  5. While the cake is still warm (let it sit for maybe 5 to 7 minutes — you want it hot but not pipping hot), drizzle the icing over the warm cake, and then use a spatula to spread it to the edges. If you try to spread too much or go over the same place again and again, you are going to pull up the top of the cake and get crumbs in your icing. The goal is to quickly spread it out and move on. Too much fussing will just make a mess. Add the sprinkles while the icing is still warm. The sprinkles will also cover any messes you made if you tried to spread the icing too much.
  6. The cake is great warm, at room temperature, and even the next day. No need to refrigerate overnight — sugar is an excellent preservative. I have a plastic lid that fits my sheet cake pan and makes traveling a breeze. I highly recommend a lid for your pan.

  • Category: Dessert
  • Method: Oven
  • Cuisine: American

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