A close up of one brownie on a spatula, with the pan of brownies in the background.

Texas Sheet Cake Brownies

Texas Sheet Cake Brownies are a chocolatey delight and a serious crowd pleaser. This classic recipe comes from Norma Jean's Kitchen, and is one of our special occasion desserts. So moist and delicious every time!

Course Dessert
Cuisine American
Keyword Texas brownies, Texas Sheet Cake
Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Servings 24 brownies
Calories 280 kcal
Author Sue Ringsdorf


For the brownies:

  • 2 cups all-purpose flour
  • 2 cups sugar
  • 1/4 cup cocoa
  • 1/2 teaspoon salt
  • 1 teaspoon baking soda
  • 1 cup unsalted butter - melted
  • 1 cup hot water
  • 1 teaspoon vanilla
  • 2 large eggs
  • 1/2 cup sour cream

For the frosting:

  • 6 Tablespoons unsalted butter
  • 1 1/3 cup sugar
  • 6 Tablespoons milk
  • 1/2 cup mini marshmallows
  • 1/2 cup chocolate chips


For the brownies:

  1. Mix the flour, sugar, cocoa, salt and baking soda together in mixing bowl.

  2. Add melted butter, hot water, and vanilla. Mix well.

  3. Add the eggs and sour cream, and beat well.

  4. Pour the batter into a greased (12x17) jelly roll pan. Bake at 350 degrees for 25 to 30 minutes, or until toothpick comes out clean.

For the frosting:

  1. In a mediums saucepan, boil the butter, sugar, and milk for two minutes. Add chocolate chips and marshmallows, and stir until melted. 

  2. Spread over brownies when cool.

Recipe Video

Recipe Notes

Nutrition Facts
Texas Sheet Cake Brownies
Amount Per Serving
Calories 280 Calories from Fat 117
% Daily Value*
Fat 13g20%
Saturated Fat 8g50%
Cholesterol 46mg15%
Sodium 110mg5%
Potassium 44mg1%
Carbohydrates 40g13%
Sugar 31g34%
Protein 2g4%
Vitamin A 390IU8%
Vitamin C 0.1mg0%
Calcium 22mg2%
Iron 0.7mg4%
* Percent Daily Values are based on a 2000 calorie diet.