Ingredients
Method
- Preheat and Prepare: Set your oven to 350°F (175°C). Line a baking sheet with parchment paper to prevent the cookies from sticking.
- Mix Wet Ingredients: In the bowl of a stand mixer, combine the melted butter, granulated sugar, light brown sugar, and vanilla extract. Mix on medium for 1 minute until smooth.
- Add Eggs: Add both eggs to the mixture and mix on low until fully incorporated.
- Mix Dry Ingredients: In a separate bowl, whisk together the flour, corn starch, cocoa powder, baking soda, and salt. Gradually add the dry mixture to the wet ingredients, mixing on low until combined.
- Form the Cookies: Use a medium-sized cookie dough scoop (about 2-2.5 tablespoons) to form 20 even dough balls. Place them on the prepared baking sheet.
- Chill the Dough: Refrigerate the cookie dough for 30 minutes.
- Bake the Cookies: Once the dough has chilled, space the dough balls about 2 inches apart on the baking sheet. Bake in the preheated oven for 9-10 minutes, or until the edges are just set.
- Cool the Cookies: Let the cookies cool on the baking sheet for 3 minutes before transferring them to a wire rack to cool completely.
Make the Ganache:
- Break the semi-sweet chocolate into pieces (or use chocolate chips) and place them in a heatproof bowl.
- In a small pot, heat the heavy cream over medium heat until it starts to simmer. Do not let it boil.
- Pour the hot cream over the chocolate and let it sit for 5 minutes. After 5 minutes, add the vanilla extract and whisk until the mixture is completely smooth.
- Allow the ganache to cool for 15-30 minutes, or until it reaches a spreadable consistency.
Decorate the Cookies:
- Spread 2-3 tablespoons of ganache over each cookie, leaving about 1/4 inch of cookie around the edges.
- Sprinkle some cosmic brownie sprinkles on top of the ganache for a fun and colorful finish.
- Serve or Store: Serve the cookies immediately or refrigerate if you want the ganache to set completely.
Notes
- Ingredient Quality: Use high-quality salted butter and chocolate for the best flavor. Melt the butter completely for easy mixing.
- Chilling the Dough: This step is essential for preventing the cookies from spreading too much and enhancing the flavors.
- Baking Time: Be careful not to overbake the cookies. They should be slightly underbaked in the center to maintain their chewy texture.
- Ganache Consistency: Ensure the ganache is cool enough to spread but not too stiff. If it hardens too much, you can gently reheat it.