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Texas Sheet Cake Cookies

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A quick, nostalgic twist on classic chocolate sheet cake turned into soft, fudgy cookies with glossy butter-cocoa frosting.

Ingredients

Scale
  • 1 box chocolate cake mix (13.25 ounces)
  • 2 large eggs
  • 1/3 cup vegetable oil
  • 1/2 cup unsalted butter
  • 2 tablespoons cocoa powder
  • 3 tablespoons milk
  • 1 teaspoon vanilla extract
  • 2 1/2 cups powdered sugar

Instructions

  1. Preheat your oven to 350 degrees F (175 degrees C) and line a large baking sheet with parchment paper.
  2. Combine the chocolate cake mix, eggs, and vegetable oil in a large mixing bowl. Mix until a thick, sticky dough forms.
  3. Drop rounded balls of dough onto the prepared baking sheet, spacing them about 2 inches apart.
  4. Bake in the preheated oven for 8 to 10 minutes, until the edges are set.
  5. Make the frosting while the cookies are baking by melting unsalted butter over medium heat in a saucepan.
  6. Whisk in cocoa powder and milk until well combined, then stir in vanilla extract and powdered sugar until smooth.
  7. Cool the cookies for 2 to 3 minutes, then spoon frosting onto each cookie while they are still warm.
  8. Transfer the cookies to a wire rack to cool completely.
  9. Store cookies in an airtight container at room temperature for up to 3 days.

Notes

Use a cookie scoop for consistent sizes and avoid overbaking for best texture.

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