Sunny's Sour Cream Swirl Brownies

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  • Level: Easy
  • Total: 55 min
  • Active: 10 min
  • Yield: 12 servings
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One 18-ounce box brownie mix (plus required ingredients)

1/2 cup sour cream 

2 tablespoons light brown sugar 

1/2 teaspoon cinnamon sugar 

2 drops vanilla extract 


  1. Prepare the brownie batter according to the package instructions, then transfer to a baking dish. Do not bake.
  2. In a small bowl, stir together the sour cream, brown sugar, cinnamon sugar and vanilla. Drop the mix randomly around the top of the batter. Drag a skewer through the sour cream areas and batter areas to make random streaks and swirls.
  3. Bake and cool according to the package instructions.