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Halloween Monster Brownies

Halloween Monster Brownies That Wow Every Party Guest

Delight in these Halloween Monster Brownies, combining rich flavors with festive decorations for a treat that impresses every guest.
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Prep Time 25 minutes
Cook Time 30 minutes
Cooling Time 30 minutes
Total Time 1 hour 25 minutes
Servings: 12 brownies
Course: Desserts
Cuisine: Halloween
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

Brownie Base
  • 2 boxes Brownie Mix 18.3 oz each
  • 8 tablespoons Unsalted Butter Can substitute margarine
  • 2 large Eggs Flax eggs for vegan option
  • 0.5 cup Light Brown Sugar Coconut sugar can be a swap
  • 4 tablespoons Granulated Sugar
  • 3 teaspoons Pure Vanilla Extract Vanilla bean paste for extra flavor
Cookie Layer
  • 0.5 cup Creamy Peanut Butter Almond butter for nut-free
  • 0.5 cup All-Purpose Flour Gluten-free flour works
  • 0.5 teaspoon Baking Soda
  • 0.5 teaspoon Kosher Salt
  • 0.5 cup Quick Cooking Oats Old-fashioned oats for chewier texture
  • 0.5 cup Miniature Chocolate Chips
Frosting
  • 2 cups Confectioners Sugar Powdered erythritol for fewer calories
  • 2 tablespoons Heavy Whipping Cream Coconut cream for non-dairy option
  • Neon Green Gel Food Coloring For vibrant frosting
Decoration
  • 1 cup Halloween Sprinkles Colorful sprinkles will do
  • 1 package Candy Eye Decorations

Equipment

  • mixing bowl
  • Stand mixer
  • 9" x 13" baking pan
  • parchment paper
  • nonstick spray
  • Whisk
  • spoon

Method
 

Oven Preparation
  1. Preheat your oven to 350°F (177°C) and prepare your baking pan with nonstick spray and parchment paper.
Brownie Batter
  1. In a large mixing bowl, prepare the brownie mix according to package instructions and pour into prepared pan.
Cookie Layer Preparation
  1. Cream peanut butter and butter until fluffy, then mix in sugars, eggs, and vanilla until combined.
Dry Ingredients
  1. Whisk together flour, baking soda, salt, oats, and chocolate chips in a separate bowl, then add to peanut butter mixture.
Assemble
  1. Dollop cookie mixture over brownie batter, sprinkle with decorations.
Baking
  1. Bake for 25-30 minutes, checking for edges pulling away and toothpick test for doneness.
Cooling
  1. Cool in the pan for about 30 minutes before frosting.
Frosting
  1. Beat together confectioners' sugar, cream, and food coloring until stiff peaks form, then pipe over cooled brownies.
Final Cooling
  1. Allow frosting to set for 20-30 minutes before slicing.

Nutrition

Serving: 1brownieCalories: 350kcalCarbohydrates: 45gProtein: 5gFat: 18gSaturated Fat: 8gPolyunsaturated Fat: 2gMonounsaturated Fat: 8gCholesterol: 40mgSodium: 200mgPotassium: 150mgFiber: 2gSugar: 25gVitamin A: 200IUCalcium: 20mgIron: 2mg

Notes

For best texture, do not overmix brownie batter and allow adequate cooling time. Customize sprinkles to fit seasonal themes.

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