Cosmic Brownies
These Cosmic Brownies are a delightful treat that everyone will love! Perfect for parties, family gatherings, or just a sweet craving, these brownies are rich and fudgy, topped with a creamy chocolate ganache and colorful rainbow chips. Their vibrant appearance and decadent flavor make them stand out at any dessert table.
Why You’ll Love This Recipe
- Easy to Make: With simple steps and common ingredients, even novice bakers can whip these up!
- Decadent Flavor: The combination of chocolate and the silky ganache creates an irresistible taste.
- Visually Appealing: The rainbow chips add a pop of color, making them perfect for celebrations.
- Versatile Dessert: Great for any occasion—birthdays, potlucks, or a cozy night in.
- Customizable Toppings: Feel free to experiment with your favorite toppings to make it your own!
Tools and Preparation
Before you start baking your cosmic brownies, gather the necessary tools. Having everything ready will ensure a smooth baking process.
Essential Tools and Equipment
- 9×13 inch baking pan
- Mixing bowls
- Whisk
- Spatula
- Saucepan
- Measuring cups and spoons
Importance of Each Tool
- 9×13 inch baking pan: Perfect size for evenly baking your brownies without overcooking.
- Mixing bowls: Essential for combining ingredients smoothly; using different sizes helps manage step-by-step mixing.
- Spatula: Great for folding in ingredients without overmixing, ensuring your brownies remain fudgy.

Ingredients
These homemade cosmic brownies are absolutely delicious. A quick brownie recipe is topped with a luscious chocolate ganache and tons of rainbow chips! Step-by-step photos help you make this easy dessert recipe.
For the Brownies
- 2oz (1/4 Cup) Water
- 1oz (2 Tbsp) Unsalted Butter
- 250 Grams (1 1/4 cups) Granulated Sugar
- 90 Grams (3/4 cups) Dutch Cocoa Powder
- 2oz (scant 1/4 cup) Vegetable Oil
- 1oz (2 Tablespoons) Light Corn Syrup
- 1 Tablespoon Pure Vanilla Extract
- 1 Large Egg Yolk and 1 Large Egg, at room temp.
- 1/8 Teaspoon Baking Soda
- 1/2 Teaspoon Salt
- 1 Tablespoon Cornstarch/Cornflour
- 60 Grams (scant 1/2 cup) All-Purpose Flour
- 2oz Chocolate (chips, chunks, or bars chopped)
For the Ganache Topping
- 12oz (2 Cups) Good Quality Chocolate (I use Call)
- 6oz (3/4 Cup) Heavy Whipping Cream
- 1 Tablespoon Butter
For Decoration
- Rainbow Candy Coated Rainbow Chips
How to Make Cosmic Brownies
Step 1: Preheat the Oven
Preheat your oven to 350F/180C. Line a 9×13 inch pan with foil and grease it heavily to prevent sticking.
Step 2: Combine Ingredients in a Pot
In a large pot, add the water, butter, granulated sugar, light corn syrup, and cocoa powder. Cook on medium heat for about 2-3 minutes until everything is well combined. Remove from heat and let it cool for approximately 5 minutes.
Step 3: Mix in Wet Ingredients
Add the vegetable oil, vanilla extract, egg yolk, and large egg to the cooled mixture. Whisk until fully combined; this may take one or two minutes.
Step 4: Add Dry Ingredients
Stir in the baking soda, salt, cornstarch, and mix until incorporated. Gently fold in the all-purpose flour along with the chocolate chips using a spatula. Be careful not to overmix as it can affect the texture.
Step 5: Bake the Brownies
Pour the batter into the prepared pan. Bake for about 14-18 minutes. Check doneness by inserting a toothpick in the center; it should come out with moist crumbs—not completely dry. Once done, place on a wire rack to cool completely.
Enjoy your homemade cosmic brownies that are sure to impress!
How to Serve Cosmic Brownies
Cosmic brownies are a delightful treat that can be enjoyed in various ways. Whether you’re hosting a party or enjoying a quiet night at home, these brownies can be paired with different accompaniments to elevate their taste.
With Fresh Fruits
- Berries: Top your cosmic brownies with fresh strawberries, blueberries, or raspberries for a fruity contrast.
- Banana Slices: Add banana slices for a creamy texture that pairs well with chocolate.
Ice Cream Delight
- Vanilla Ice Cream: Serve warm cosmic brownies with a scoop of vanilla ice cream for an indulgent dessert.
- Chocolate Ice Cream: For chocolate lovers, pairing with chocolate ice cream intensifies the flavor.
Whipped Topping
- Homemade Whipped Cream: A dollop of freshly whipped cream adds lightness and sweetness to each bite.
- Flavored Whipped Topping: Use flavored whipped topping like vanilla or almond for an extra twist.
Coffee or Tea
- Brewed Coffee: Enjoy your cosmic brownies alongside a cup of coffee to balance the sweetness.
- Herbal Tea: A warm herbal tea can provide a soothing contrast to the rich chocolate flavors.
How to Perfect Cosmic Brownies
Making perfect cosmic brownies is all about attention to detail and technique. Follow these tips for the best results every time you bake them.
- Use Room Temperature Ingredients: Ensuring your eggs and butter are at room temperature helps them mix more evenly into the batter.
- Don’t Overmix the Batter: Gently folding in the flour and chocolate chips prevents the brownies from becoming dense and tough.
- Check for Doneness Early: Start checking your brownies a minute or two before the recommended baking time to prevent overbaking.
- Let Them Cool Completely: Allowing the brownies to cool completely before cutting helps maintain their fudgy texture.
Best Side Dishes for Cosmic Brownies
Serving cosmic brownies alongside complementary side dishes can create an enjoyable dessert experience. Here are some suggestions:
- Fruit Salad: A refreshing mix of seasonal fruits adds brightness and balances out the richness of the brownies.
- Cheese Platter: Include mild cheeses like brie or gouda for a savory contrast to sweet treats.
- Nuts: Roasted almonds or walnuts add crunch and flavor that pairs nicely with chocolate desserts.
- Caramel Sauce: Drizzling warm caramel sauce enhances the sweetness and adds another layer of flavor.
- Yogurt Parfait: Layer yogurt, granola, and fruit for a lighter option that complements brownie indulgence.
- Chocolate Fondue: Dip pieces of brownie into melted chocolate for an extra decadent treat!
- Milkshake: Blend up a thick milkshake as a fun drink pairing that echoes the brownie’s rich flavors.
Common Mistakes to Avoid
Making cosmic brownies can be fun, but it’s easy to make mistakes. Here are some common pitfalls to watch out for.
- Bold Measurement Errors: Not measuring ingredients accurately can lead to inconsistent results. Use a kitchen scale or standard measuring cups for precision.
- Bold Overmixing the Batter: Mixing the batter too much can make brownies tough. Stir until just combined for a fudgier texture.
- Bold Ignoring Oven Temperature: Baking at the wrong temperature will affect cooking time and texture. Always preheat your oven and use an oven thermometer if possible.
- Bold Skipping the Cooling Time: Cutting brownies before they cool leads to messy pieces. Allow them to cool completely on a wire rack for clean cuts.
- Bold Using Low-Quality Chocolate: Poor chocolate can impact flavor. Choose high-quality chocolate for both the brownie batter and ganache for the best taste.

Storage & Reheating Instructions
Refrigerator Storage
- Store cosmic brownies in an airtight container.
- They will stay fresh for up to one week in the refrigerator.
Freezing Cosmic Brownies
- Wrap each brownie individually in plastic wrap.
- Place them in a freezer-safe bag or container; they can be frozen for up to three months.
Reheating Cosmic Brownies
- Bold Oven: Preheat your oven to 350°F (180°C) and warm brownies for about 10 minutes.
- Bold Microwave: Heat on medium power for about 15-20 seconds until warm.
- Bold Stovetop: Place in a skillet over low heat, covering it with a lid until warmed through.
Frequently Asked Questions
Here are some common questions about making cosmic brownies.
How to Make Cosmic Brownies?
To make cosmic brownies, follow the recipe instructions closely, ensuring you measure ingredients correctly and avoid overmixing.
Can I Customize Cosmic Brownies?
Absolutely! You can add different toppings like nuts, dried fruits, or other candy coatings instead of rainbow chips.
What is the Best Way to Store Cosmic Brownies?
Store cosmic brownies in an airtight container at room temperature or refrigerate them for longer freshness.
How Long Do Cosmic Brownies Last?
Cosmic brownies last up to one week in the refrigerator and can be frozen for three months if wrapped properly.
Why Are My Brownies Dry?
Brownies may turn dry if they are overbaked or if there is too much flour. Stick to the recommended baking time for best results.
Final Thoughts
These homemade cosmic brownies are not only delicious but also versatile! Feel free to customize with your favorite toppings or try different chocolates. Enjoy making these treats that everyone will love!
Cosmic Brownies
Indulge in the delight of homemade cosmic brownies, a treat that’s perfect for any occasion! These rich and fudgy brownies are topped with a luscious chocolate ganache and adorned with colorful rainbow chips, making them not only a tasty dessert but also a feast for the eyes. Ideal for parties, family gatherings, or simply satisfying your sweet tooth, these brownies will leave everyone craving more. With easy-to-follow steps and readily available ingredients, even novice bakers can create this decadent dessert that promises to impress.
- Prep Time: 15 minutes
- Cook Time: 18 minutes
- Total Time: 33 minutes
- Yield: Approximately 16 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 2 oz water
- 1 oz unsalted butter
- 250 g granulated sugar
- 90 g Dutch cocoa powder
- 2 oz vegetable oil
- 1 oz light corn syrup
- 1 tablespoon pure vanilla extract
- 1 large egg yolk
- 1 large egg, at room temperature
- 1/8 teaspoon baking soda
- 1/2 teaspoon salt
- 1 tablespoon cornstarch
- 60 g all-purpose flour
- 2 oz chocolate chips
- 12 oz quality chocolate for ganache
- 6 oz heavy whipping cream for ganache
- 1 tablespoon butter for ganache
- Rainbow candy-coated chips for decoration
Instructions
- Preheat your oven to 350°F (180°C). Line a 9×13 inch baking pan with foil and grease it.
- In a large pot over medium heat, combine water, butter, sugar, corn syrup, and cocoa powder. Cook for about 2-3 minutes until smooth; let cool for about 5 minutes.
- Whisk in vegetable oil, vanilla extract, egg yolk, and egg until fully combined.
- Stir in baking soda, salt, cornstarch; gently fold in flour and chocolate chips until just combined.
- Pour batter into the prepared pan and bake for about 14-18 minutes. Check doneness with a toothpick; it should come out with moist crumbs.
- Allow cooling completely before topping with ganache made from heating chocolate and cream together until smooth.
Nutrition
- Serving Size: 1 brownie (approximately 50g)
- Calories: 205
- Sugar: 18g
- Sodium: 70mg
- Fat: 10g
- Saturated Fat: 6g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 27g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 28mg
