2/3 cup heavy cream = 155 grams 1/2 cup light corn syrup = 155 grams 1/3 cup dark brown sugar = 67 grams 1/4 cup cocoa powder = 25 grams 6 oz. (browneyedbaker.com)
Pour 1/2 cup cocoa powder into a shallow dish and roll the balls around until coated. (myjewishlearning.com)
If you like richer cookies with a deep chocolate taste, use 1 cup of flour and 2/3 cup cocoa powder as written in the recipe below. (ohsweetbasil.com)