These Nutella-stuffed eggless crinkle cookies are a fudgy, brownie-like treat with a crispy, sugary exterior and a delightful Nutella surprise in the center, perfect for the holiday season.
In a bowl, sift together the flour, cocoa powder, baking powder, and salt. Set aside.
In a separate bowl, beat the softened butter and sugar together for 1 minute until smooth. Gradually whisk in the oil, followed by the milk and vanilla extract. Continue whisking until well combined.
Fold the sifted dry ingredients to form a dough. The dough will be a little sticky and moist as compared to a regular cookie dough.
Cover the dough with plastic wrap and refrigerate it overnight. This step is crucial for the perfect texture and crinkle effect.
Place 1 teaspoon portions of Nutella on a parchment-lined tray and freeze them for 1 hour.
The next day, scoop 1 tablespoon of dough and flatten it gently with your palms. Place a frozen Nutella portion in the center, then carefully fold the dough around the Nutella and roll it into a ball. Chill the dough balls again for 10 minutes.
Preheat the oven to 180°C (350°F). Roll the dough balls in sifted icing sugar, ensuring a thick, even coating. For the best crinkle effect, repeat the coating process by rolling the dough balls in icing sugar a second time before baking.
Place the dough balls on a parchment-lined baking tray, spacing them about 2 inches apart. Bake in the preheated oven for 8 to 10 minutes, or until the edges are set but the center remains slightly undone, just like a brownie.
Let the cookies cool on the baking tray for a few minutes before transferring them to a wire rack to cool completely. This helps maintain their fudgy texture.
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Notes
The optional Nutella filling adds a fudgy surprise to the cookies, making them extra special. Freeze it for an hour before stuffing into the dough.
The dough needs to be chilled overnight to get the perfect texture. Don't skip this step!
For an even crinkle effect, be sure to coat the dough balls in icing sugar twice.
Note that the number of cookies will vary depending on how much dough you scoop for each cookie.