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Cosmic Brownies

Homemade Cosmic Brownies: Fudgy Treats That Spark Joy

These Homemade Cosmic Brownies are a nostalgic, fudgy delight perfect for dessert lovers.
Prep Time 15 minutes
Cook Time 25 minutes
Cooling Time 30 minutes
Total Time 1 hour 10 minutes
Servings: 16 squares
Course: Desserts
Cuisine: American
Calories: 200

Ingredients
  

For the Brownie Base
  • 1 cup Unsalted Butter Adds richness and moisture; substitute with margarine if desired.
  • 1 cup Granulated Sugar Provides sweetness and structure; reduce by 10% for a less sweet version.
  • ½ cup Light Brown Sugar Offers extra sweetness and moisture; dark brown sugar can be used.
  • cup Unsweetened Cocoa Powder Delivers that rich chocolate flavor.
  • 2 teaspoons Vanilla Extract Enhances flavor complexity; swap with vanilla bean paste if desired.
  • 2 large Eggs Binds ingredients and adds richness.
  • 1 large Egg Yolk Omit for a slightly less fudgy texture.
  • ½ cup Corn Syrup Gives the brownies chewiness.
  • 1 cup All-Purpose Flour Provides structure; gluten-free flour can be used.
  • 2 tablespoons Cornstarch Contributes to chewiness and softness.
  • ½ teaspoon Fine Sea Salt Balances the sweetness.
For the Ganache Frosting
  • ½ cup Heavy Cream Adds richness to the ganache.
  • 1 cup Semisweet Chocolate Chips Offers a rich chocolate flavor.
For Topping
  • 1 cup Rainbow Candy-Coated Chocolate Chips Adds color and crunch; mini M&Ms can serve as alternatives.

Equipment

  • 8x8-inch Baking Pan
  • Parchment Paper
  • Microwave-Safe Bowl
  • Spatula
  • Whisk

Method
 

Step-by-Step Instructions
  1. Preheat oven to 350°F (175°C) and line an 8x8-inch baking pan with parchment paper.
  2. Melt 1 cup of unsalted butter, then stir in sugar and cocoa powder until blended.
  3. Add vanilla, eggs, and corn syrup, whisking until glossy and combined.
  4. Fold in flour, cornstarch, and salt until just combined; do not overmix.
  5. Pour batter into prepared pan and bake for 25 minutes, until edges pull away.
  6. Cool in pan for 30 minutes, then prepare the ganache frosting.
  7. Heat heavy cream until just simmering, then pour over chocolate chips and stir until smooth.
  8. Once brownies are cooled, pour ganache over the top and spread evenly.
  9. Sprinkle rainbow chocolate chips over ganache while still wet.
  10. Refrigerate for 1-2 hours before slicing into squares.

Nutrition

Serving: 1squareCalories: 200kcalCarbohydrates: 25gProtein: 3gFat: 10gSaturated Fat: 6gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 2gCholesterol: 40mgSodium: 120mgPotassium: 150mgFiber: 1gSugar: 18gVitamin A: 5IUCalcium: 2mgIron: 6mg

Notes

For best results, measure ingredients accurately and allow brownies to cool completely before cutting.

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