Little Debbie Cosmic Brownies at Home
Little Debbie Cosmic Brownies at Home is a easy American recipe that serves 9. 658 calories per serving. Recipe by TayBrice on YouTube.
Prep: 56 min | Cook: 30 min | Total: 1 hr 41 min
Cost: $8.75 total, $0.97 per serving
Ingredients
- 1 cup Unsalted Butter (melted)
- 3 large Eggs (whole eggs)
- 1 large Egg Yolk (extra yolk for richness)
- 0.5 cup Brown Sugar (packed)
- 1.5 cup Granulated Sugar
- 1 tsp Vanilla Extract
- 1 cup Cocoa Powder (unsweetened)
- 1 tsp Corn Starch
- 1 cup All-Purpose Flour
- 0.5 cup Heavy Cream
- 1 cup Semi‑Sweet Chocolate Chips
- 1 tbsp Light Corn Syrup
- 0.5 cup Sprinkles (colorful, for topping)
Instructions
Preheat Oven
Set the oven to 350°F (175°C) and let it preheat while you prepare the batter.
Time: PT5M
Temperature: 350°F
Prepare Baking Pan
Line an 8×8 inch baking pan with parchment paper, allowing excess paper to hang over the sides for easy removal.
Time: PT5M
Melt Butter
Melt 1 cup (2 sticks) unsalted butter in the microwave or a small saucepan until fully liquid.
Time: PT2M
Combine Wet Ingredients
In the large mixing bowl, whisk together the melted butter, 3 whole eggs, 1 extra yolk, 0.5 cup brown sugar, 1.5 cup granulated sugar, and 1 tsp vanilla until smooth and slightly fluffy.
Time: PT5M
Mix Dry Ingredients
In a separate bowl, sift together 1 cup all‑purpose flour, 1 cup unsweetened cocoa powder, and 1 tsp corn starch.
Time: PT3M
Combine Wet and Dry
Gradually add the dry mixture to the wet mixture, stirring just until incorporated. Do not over‑mix.
Time: PT2M
Fill Pan
Pour half of the batter into the prepared pan, spreading it evenly with a spatula.
Time: PT2M
Bake Brownies
Place the pan in the preheated oven and bake for 30 minutes, or until a toothpick inserted near the center comes out with a few moist crumbs.
Time: PT30M
Temperature: 350°F
Cool Slightly
Remove the pan from the oven and let the brownies cool in the pan on a cooling rack for about 15 minutes.
Time: PT15M
Prepare Chocolate Glaze
In a microwave‑safe bowl, combine 1 cup chocolate chips, 0.5 cup heavy cream, and 1 tbsp light corn syrup. Microwave in 30‑second bursts, stirring after each, until smooth and glossy.
Time: PT5M
Glaze Brownies
Pour the warm chocolate glaze over the cooled brownies, spreading it evenly with a spatula.
Time: PT5M
Add Sprinkles
While the glaze is still soft, sprinkle 0.5 cup colorful sprinkles over the top.
Time: PT2M
Set the Glaze
Refrigerate the pan for 1–2 hours to allow the glaze to firm up.
Time: PT0M
Slice and Serve
Lift the brownies out using the parchment overhang, place on a cutting board, and cut into 9 squares. Serve at room temperature.
Time: PT5M
Nutrition Facts
- Calories
- 658
- Protein
- 6 g
- Carbohydrates
- 80 g
- Fat
- 35 g
- Fiber
- 4 g
Dietary info: Vegetarian, Contains gluten, Contains dairy
Allergens: Dairy, Eggs, Gluten, Soy (in chocolate chips)
Last updated: April 18, 2026






