Ingredients
Equipment
Method
- Whisk together the all-purpose flour, unsweetened cocoa powder, baking powder, and salt in a medium mixing bowl. Set the dry ingredient mixture aside.
- Beat the softened unsalted butter and granulated sugar with an electric mixer for approximately 2–3 minutes, until the mixture becomes creamy and slightly fluffy.
- Add the egg yolks and vanilla extract to the creamed butter mixture. Mix until everything combines smoothly, scraping down the sides of the mixing bowl as needed.
- Gradually add the dry ingredients to the butter mixture. Mix on low speed until a soft chocolate cookie dough forms. Avoid overmixing to maintain a tender texture.
- Scoop approximately 1 tablespoon of chocolate dough per cookie and roll each portion into a smooth ball. Arrange the dough balls on parchment-lined baking sheets, leaving about 2 inches of space between cookies.
- Gently press the back of a rounded 1/2-teaspoon measuring spoon into the center of each dough ball. Create a noticeable indentation without pressing through the bottom of the cookie.
- Refrigerate the shaped cookies for 30 minutes. Preheat the oven to 350°F (175°C). Bake the cookies for 10–12 minutes, until the edges look set. If the centers puff up during baking, gently press the indentations again while the cookies are still warm.
- Allow the baked cookies to rest on their baking sheets for 5 minutes. Carefully transfer them to a wire cooling rack and let them cool completely before adding the chocolate ganache.
- Place the finely chopped semisweet chocolate in a heatproof bowl. Heat the heavy whipping cream until steaming, without allowing it to boil vigorously. Pour the hot cream over the chocolate and let it rest for 2 minutes. Stir gently until the mixture becomes smooth, glossy, and creamy.
- Spoon approximately 1 teaspoon of chocolate ganache into the center of each completely cooled cookie. Add chocolate sprinkles if desired. Allow the filling to set for approximately 30 minutes, refrigerating briefly if necessary. Serve once the ganache has thickened.
Notes
Expert Tips: Measure flour accurately to prevent dry dough. Use softened butter, not melted butter, and chill the shaped cookies for 30 minutes before baking to help prevent spreading. Press the indentations gently using a rounded 1/2-teaspoon measuring spoon. If the centers puff up during baking, gently press them again while warm. Avoid overbaking to keep the cookies tender.
Variations: Add 1/8 teaspoon peppermint extract to the ganache for peppermint chocolate cookies. Try a little creamy peanut butter beneath the ganache, replace the filling with thick salted caramel, or use a suitably thick white chocolate ganache. Decorate with chocolate sprinkles, chopped nuts, or festive Christmas sprinkles.
Storage: Refrigerate finished ganache-filled cookies in an airtight container for up to 4 days. Store unfilled baked cookies at room temperature for up to 5 days or refrigerate unbaked dough for up to 2 days. Freeze unfilled baked cookies or portioned dough for up to 2 months for best quality. Let refrigerated cookies stand at room temperature for 10–15 minutes before serving.