Step 1 of 10
Chocolate Crinkle Cookies
Line two baking sheets with silicone baking mats or parchment paper. Set aside.
Tools
Step 2 of 10
Chocolate Crinkle Cookies
Place the butter, granulated sugar, and brown sugar in a medium bowl. Use a hand mixer to beat on medium speed until well combined, about 1 minute.
Tools
Step 3 of 10
Chocolate Crinkle Cookies
Add the eggs and vanilla extract and continue to beat until smooth, about 30 seconds.
Tools
Step 4 of 10
Chocolate Crinkle Cookies
Add the flour, cocoa, cornstarch, baking soda, and salt to the bowl. Beat on low speed, scraping the sides of the bowl with a rubber spatula as needed, until a smooth dough forms.
Tools
Step 5 of 10
Chocolate Crinkle Cookies
Preheat the oven to 350°F.
Tools
Step 6 of 10
Chocolate Crinkle Cookies
Divide the cookie dough into 30 balls, using roughly 1 1/2 tablespoons of dough for each, and arrange them spaced 1 1/2 inches apart on the baking sheets. Transfer the sheets to the freezer for 10-15 minutes. Alternately, freeze the dough balls on a small tray or large plate and transfer to the baking sheets after freezing.
Tools
Step 7 of 10
Chocolate Crinkle Cookies
Place the powdered sugar in a mixing bowl. Remove the dough balls from the freezer. Roll each cookie in the powdered sugar, creating a coating thick enough that no dough is visible, and place on the prepared baking sheets.
Tools
Step 8 of 10
Chocolate Crinkle Cookies
Bake the cookies on middle rack of oven until puffy, cracked, and opaque, 15-17 minutes.
Tools
Step 9 of 10
Chocolate Crinkle Cookies
Check to see that cookies are done. Remove from oven or add time as needed.
Tools
Step 10 of 10
Chocolate Crinkle Cookies
Allow the cookies to rest on the sheets for 5-10 minutes, then transfer to a wire rack to cool completely before serving.