Cosmic Brownies
Cosmic Brownies is a easy American recipe that serves 12. 250 calories per serving. Recipe by Preppy Kitchen on YouTube.
Prep: 25 min | Cook: 25 min | Total: 1 hr 5 min
Cost: $14.15 total, $1.18 per serving
Ingredients
- 1 cup Unsalted Butter (melted)
- 8 oz Semisweet Chocolate (chopped, high quality)
- 1 cup Granulated Sugar (room temperature)
- 1 cup Brown Sugar (packed)
- 4 Large Eggs (at room temperature)
- 1 tsp Vanilla Extract (pure)
- 1 cup All-Purpose Flour (sifted)
- 1 cup Unsweetened Cocoa Powder (sifted)
- 1/2 tsp Salt (fine sea salt)
- 1/2 cup Heavy Cream (for ganache, warmed slightly)
- 6 oz Semisweet Chocolate (for ganache) (chopped)
- 1 cup Candy‑Coated Chocolate Chips (e.g., M&M’s, spread evenly on top)
Instructions
Prepare Baking Sheet
Line the 9×13‑inch baking sheet with parchment paper, allowing excess to hang over the edges for easy lift‑out later.
Time: PT5M
Melt Chocolate and Butter
In a medium saucepan over low heat, combine the chopped semisweet chocolate and butter. Stir constantly until fully melted and smooth, then remove from heat and let cool slightly.
Time: PT5M
Temperature: low heat
Mix Sugars and Eggs
In a large mixing bowl, whisk together granulated sugar, brown sugar, and eggs until the mixture is light and slightly frothy, about 2 minutes.
Time: PT3M
Combine Wet Ingredients
Pour the melted chocolate‑butter mixture into the sugar‑egg bowl. Add vanilla extract and whisk until fully incorporated.
Time: PT2M
Add Dry Ingredients
Sift together flour, cocoa powder, and salt. Fold the dry mixture into the wet batter using a spatula until just combined; a few streaks are okay.
Time: PT5M
Transfer Batter to Sheet
Using the parchment overhang, lift the batter and gently place it onto the prepared baking sheet. Smooth the top with a spatula.
Time: PT2M
Bake Brownies
Bake in a pre‑heated oven at 350°F for 25 minutes, or until the edges are set and a toothpick inserted near the center comes out with a few moist crumbs.
Time: PT25M
Temperature: 350°F
Prepare Ganache
While the brownies bake, heat the heavy cream in a small saucepan until just simmering. Remove from heat and pour over the chopped chocolate for ganache. Let sit 1 minute, then stir until glossy and smooth.
Time: PT5M
Temperature: simmer
Add Ganache and Topping
When brownies are done, remove from oven and immediately spread the ganache evenly over the warm surface. Sprinkle the candy‑coated chocolate chips over the ganache before it sets.
Time: PT5M
Cool and Cut
Allow the brownies to cool completely on a wire rack (about 30 minutes). Using the parchment overhang, lift the slab onto a cutting board and cut into 12 even bars, scoring as you go.
Time: PT30M
Nutrition Facts
- Calories
- 250
- Protein
- 3g
- Carbohydrates
- 30g
- Fat
- 12g
- Fiber
- 2g
Dietary info: Vegetarian
Allergens: Dairy, Eggs, Gluten
Last updated: April 18, 2026






