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5 from 1 vote

Texas Sheet Cake Brownies Recipe (Family Favorite)

This recipe for Texas Sheet Cake Brownies has been in our family for years. Our grandma's simple recipe is the best one out there!
Prep Time20 mins
Cook Time18 mins
Total Time38 mins
Course: Dessert
Keyword: Brownies, Cake, Chocolate
Servings: 40
Author: Camille Beckstrand

Ingredients

  • 2 cups flour
  • 2 cups sugar
  • 1/2 cup butter
  • 1/2 cup shortening
  • 1 cup water
  • 1/4 cup cocoa
  • 1/2 cup buttermilk
  • 2 eggs
  • 1 teaspoon baking soda
  • 1 teaspoon vanilla

Frosting:

  • 1/2 cup butter
  • 2 Tablespoons cocoa
  • 1/4 cup milk
  • 3 1/2 cups powdered sugar
  • 1 teaspoon vanilla

Instructions

  • In a large mixing bowl, combine the flour and the sugar.
  • In a heavy saucepan, combine butter, shortening, water, and cocoa. Stir and heat to boiling.
  • Pour boiling mixture over the flour and sugar in the bowl.
  • Add the buttermilk, eggs, baking soda, and vanilla. Mix well using a wooden spoon or high speed on an electric mixer.
  • Pour into a well greased cookie sheet (17 1/2 x 11 inch) pan.
  • Bake at 400 degrees for 15-18 minutes or until brownies test done in center.
  • While brownies bake, prepare the frosting. In a saucepan, combine the butter, cocoa, and milk. Heat to boiling and stirring constantly.
  • Mix in the powdered sugar and vanilla until frosting is smooth (you may have to whisk it).
  • Pour warm frosting over brownies as soon as you take them out of the oven. Let cool and cut into 40 bars.

Notes

If you don't have buttermilk, no worries! Mix 1/2 cup milk with 2 tsp vinegar or lemon juice. Let sit for a minute before adding to other ingredients.