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Easy Cake Batter Brownies Recipe with White Chocolate Chips and Sprinkles

Easy Cake Batter Brownies

Soft and chewy vanilla cake mix bars packed with white chocolate chips and colorful sprinkles. These easy cake batter brownies come together quickly and are perfect for birthdays, bake sales, parties, or casual dessert cravings.
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Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 16 servings
Ingredients Method Notes

Ingredients
  

Main Ingredients
  • 1 box, about 15.25 ounces Yellow cake mix
  • 1 large Large egg
  • 1/4 cup Vegetable or canola oil
  • 1/3 cup Milk
Mix-Ins
  • 1/2 cup White chocolate chips
  • 1/2 cup Colorful sprinkles

Method
 

Step-by-Step
  1. Heat the oven to 350°F (175°C). Grease a 9 x 13-inch baking pan or line it with parchment paper, leaving a little overhang to help lift out the cooled bars.
  2. In a large bowl, combine the yellow cake mix, egg, and vegetable or canola oil. Gradually add the milk, stirring until a very thick, sticky batter forms; it will not look like pourable cake batter.
  3. Fold in the white chocolate chips and colorful sprinkles until they are distributed throughout the dense dough. Use a gentle hand so the sprinkles keep their color.
  4. Press or spread the batter evenly into the prepared pan. A lightly greased spatula or a piece of parchment placed over the dough makes this sticky step much easier.
  5. Bake for 20–25 minutes, until the edges are lightly golden and the center looks set. Do not wait for the center to become deeply browned, because the bars continue to firm as they cool.
  6. Cool the pan for at least 20–30 minutes before slicing. Cut into approximately 16–24 bars, depending on whether you prefer generous squares or smaller party-size pieces.

Notes

For the best chewy texture, remove the pan when the center is just set and avoid overbaking. Parchment helps with pressing, lifting, and slicing. White chocolate chips keep the vanilla cake-batter flavor at the forefront.