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It’s spooky season — the perfect time to bake these Frosted Black Cocoa Cookies. Made with black (heavily alkalized Dutch-processed) cocoa powder, these cookies are rich, fudgy, and strikingly dark with an Oreo-like color and flavor. They’re soft in the center, slightly crisp at the edges, and finished with a creamy black cocoa buttercream and festive sprinkles. Serve them at Halloween parties or any time you want a dramatic chocolate cookie.
What is Black Cocoa Powder?
Black cocoa powder is an extra-dark, heavily alkalized form of Dutch-processed cocoa. The alkalization reduces bitterness and gives the powder an intense black color and a mellow chocolate flavor. It’s ideal for achieving deep, dark frostings and baked goods without artificial coloring. If you want the dramatic color and a smooth, milder cocoa taste, black cocoa is a great choice.
How to Make Black Cocoa Cookies
- Prepare the dough. In a stand mixer fitted with a paddle attachment (or using a large bowl and an electric hand mixer), cream the softened butter, oil, and sugar until light and combined. Add the egg and vanilla, mixing until incorporated. Add the dry ingredients — all-purpose flour, sifted black cocoa powder, cornstarch, baking powder, baking soda, and salt — and mix just until combined. Chill the dough for 30 minutes to firm it up and reduce spreading during baking.
- Portion and bake. Preheat the oven to 350°F. Use a cookie scoop to portion the dough (a #24 scoop yields larger cookies). Roll each portion into a smooth ball and place on a baking sheet lined with parchment paper, spacing cookies about 2 inches apart. Gently press each ball to slightly flatten. Bake for 9–11 minutes or until the centers no longer look wet. Allow cookies to cool completely before frosting.
- Make the black cocoa buttercream. In a mixer, cream room-temperature butter until fluffy. Add powdered sugar, sifted black cocoa powder, vanilla, a pinch of salt, and heavy cream. Start on low to combine, then increase speed and beat until smooth, creamy, and lump-free. Adjust cream to reach desired spreadable consistency.
- Frost and decorate. Add a dollop of buttercream to each cooled cookie. Use the back of a spoon or a small offset spatula to spread the frosting to the edge, finishing with a decorative swirl in the center. Top immediately with Halloween or colorful sprinkles so they adhere before the frosting crusts.
Recipe FAQs
How should I store these cookies?
Store frosted cookies in an airtight container at room temperature for up to 4 days. Let the buttercream form a slight crust (a few hours) before stacking, and place parchment paper between layers to protect the frosting.
Can I freeze the cookies?
Yes. Freeze unfrosted cookies in airtight containers or freezer bags; thaw to room temperature before frosting. You can also freeze frosted cookies in a single layer and allow them to come to room temperature before serving.
Does the dough need to chill?
Yes — chilling for about 30 minutes helps the dough firm up so it’s easier to scoop and roll, and it prevents the cookies from spreading too much in the oven.
Can I use regular cocoa powder instead?
You can substitute standard Dutch-processed cocoa if needed, but the cookies will be less black in color and have a slightly stronger chocolate flavor.
Can I make smaller cookies?
Yes — use a smaller scoop (for example #40, about 1½ tablespoons) for mini cookies. Adjust baking time down slightly and watch closely so they don’t overbake.
Tips for the Best Frosted Cookies
- Cool completely. Frosting will melt on warm cookies. Make sure cookies are fully cooled before applying buttercream.
- Add sprinkles immediately. Buttercream forms a crust quickly. Frost one cookie at a time and top with sprinkles right away for best adhesion.
- Make ahead. These cookies often taste even better after sitting in an airtight container for a few hours. Bake the day before serving if you can — they’ll be softer and more flavorful.
- Weigh ingredients when possible. Using a kitchen scale improves consistency and yields more reliable results than volume measuring cups.
More Cookie Ideas
- Peanut Butter Oreo Cookies
- Butterscotch Oatmeal Cookies
- Churro Cookies
- Frosted Andes Chocolate Mint Cookies
- Soft & Chewy Snickerdoodle Cookies
If you try this recipe and love it, please leave a comment below to share your experience. Happy baking!
Frosted Black Cocoa Cookies
Soft, chewy black cocoa cookies finished with a black cocoa buttercream and festive sprinkles — perfect for Halloween or any chocolate craving.
Yield: 13 servings
Times
- Prep time: 30 mins
- Cook time: 12 mins
- Chill time: 30 mins
- Total time: about 1 hour 12 mins
Ingredients
For the Black Cocoa Cookies
- ½ cup (1 stick / 113 g) unsalted butter, room temperature
- 3 Tablespoons (42 g) vegetable or canola oil
- 1 cup (200 g) granulated sugar
- 1 large egg, room temperature
- 2 teaspoons vanilla extract
- 1½ cups (180 g) all-purpose flour
- ½ cup (56 g) black cocoa powder, sifted
- 1 Tablespoon (10 g) cornstarch
- ½ teaspoon baking powder
- ¼ teaspoon baking soda
- ¼ teaspoon salt
For the Black Cocoa Buttercream
- 1 cup (2 sticks / 226 g) unsalted butter, room temperature
- 2½ cups (300 g) powdered sugar
- ½ cup (56 g) black cocoa powder, sifted
- 2 teaspoons vanilla extract
- Pinch of salt
- 5 Tablespoons (75 mL) heavy cream, room temperature (adjust as needed)
For Decorating
- Halloween sprinkles or any colorful variety
Instructions
- Make the cookie dough: In a stand mixer with a paddle attachment, cream the butter, oil, and sugar about 2 minutes. Scrape the bowl. Add the egg and vanilla and mix until combined. Add flour, black cocoa, cornstarch, baking powder, baking soda, and salt. Mix just until combined. Cover and chill 30 minutes.
- Preheat the oven to 350°F and line two baking sheets with parchment paper or silicone mats.
- Portion the chilled dough using a #24 cookie scoop (about 3 tablespoons). Roll each portion into a ball, place on prepared sheets 2 inches apart, and gently press to flatten slightly.
- Bake 9–11 minutes or until centers no longer look wet. Cool completely before frosting.
- Make the buttercream: In a mixer, cream the butter about 2 minutes until smooth. Add powdered sugar, black cocoa, vanilla, salt, and heavy cream. Start on low to combine, then beat on medium-high about 2 minutes until smooth and creamy. Add more cream if needed to reach spreadable consistency.
- Frost each cooled cookie with a dollop of buttercream. Smooth to the edges and finish with a swirl. Add sprinkles immediately and enjoy.
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