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Witches Brew Brownies Recipe

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3.9 from 3 reviews

Witches Brew Brownies are a festive and spooky treat perfect for Halloween. These rich dark chocolate brownies are topped with a luscious green buttercream frosting, decorated with themed sprinkles, pretzel sticks as mixing spoons, and candy eyes for a fun and eerie effect. The recipe combines easy-to-make boxed brownies with an indulgent white chocolate buttercream tinted green for a striking presentation.

  • Total Time: 50 minutes
  • Yield: 12 servings

Ingredients

Brownies

  • 1 box dark chocolate brownie mix (any brownie mix works)
  • 1 large egg
  • ⅓ cup whole milk
  • ½ cup canola or vegetable oil

Buttercream Frosting

  • 4 ounces white chocolate
  • 2 tablespoons heavy cream
  • ¾ cup unsalted butter, room temperature
  • ½ teaspoon kosher salt
  • 2-3 drops green food color
  • 3 cups powdered sugar

Decorations

  • ⅓ cup large green round pearl sprinkles
  • 12 small pretzel sticks
  • Skull and crossbone sprinkles
  • Candy eyes
  • Round purple and black sprinkles (optional)

Instructions

  1. Preheat the oven: Set your oven to 350 degrees Fahrenheit. Grease and flour a 12-hole muffin pan to ensure the brownies don’t stick, then set it aside.
  2. Combine brownie ingredients: In a large mixing bowl, mix together the dark chocolate brownie mix, egg, whole milk, and canola or vegetable oil until the batter is uniform.
  3. Fill muffin pan: Evenly scoop the brownie batter into the prepared muffin pan wells, filling each about three-quarters full.
  4. Bake brownies: Bake the brownie batter for 25 to 30 minutes, or until the tops start to crack, indicating they are cooked through.
  5. Cool brownies: Let the brownies cool in the pan for 10 minutes to set, then transfer them carefully to a wire rack to cool completely.
  6. Make white chocolate ganache: Place the white chocolate and heavy cream in a microwave-safe bowl and microwave on high for 45 seconds. Let it rest for 90 seconds, then stir until smooth. Allow the ganache to cool to room temperature.
  7. Prepare buttercream: In the bowl of a stand mixer fitted with a paddle attachment, beat the softened unsalted butter on medium speed for 1-2 minutes until smooth.
  8. Incorporate ganache: Scrape down the sides of the bowl then add the cooled white chocolate ganache and beat on medium speed for 4-5 minutes until well combined and smooth.
  9. Add powdered sugar and color: Add kosher salt, green food coloring drops, and powdered sugar to the buttercream. Mix on low speed until the sugar is fully incorporated, then increase to medium-high and beat for an additional 4-5 minutes until the frosting is light and fluffy.
  10. Frost the brownies: Using a large cookie scoop, place a generous amount of green buttercream on top of each cooled brownie.
  11. Add sprinkles to create bubbles: Sprinkle a generous amount of the large green round pearl sprinkles over the frosting to mimic bubbling witch’s brew.
  12. Insert pretzel sticks: Press one pretzel stick into each brownie through the frosting to serve as a whimsical mixing spoon.
  13. Decorate the brew: Finish decorating by adding skull and crossbones sprinkles, candy eyes, and optionally, round purple and black sprinkles for an extra spooky touch.

Notes

  • Ensure brownies are completely cooled before frosting to prevent buttercream from melting.
  • If you prefer a less sweet frosting, reduce powdered sugar slightly.
  • The green food coloring amount can be adjusted to achieve your desired shade of green.
  • Use large pearl sprinkles for a better bubble effect.
  • Store brownies in an airtight container at room temperature for up to 3 days, or refrigerate for longer freshness.
  • Author: Monica
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian