Preheat your oven to 180 degrees Celsius (356 degrees Fahrenheit), and line a baking sheet with parchment paper.
In a medium bowl, beat together peanut butter, sugar, and egg for 1-2 minutes until smooth.
Now divide the dough into 2 equal parts.
Set one part aside, place the other in a medium bowl, and add salt, chocolate, and cocoa powder. Massage until uniform. It will get a bit messy.
Now you have two cookie doughs:
Take 1 tbsp. of each dough, combine them, and roll into a ball.
Place the ball on your baking sheet, and repeat until all the dough is used.
Remember to place only 6 cookies on the sheet at a time.
Pour 1 tbsp. of sugar into a bowl, and with the bottom of a glass, dip it into the sugar and press the cookies flat one by one.
Remember to dip in sugar between each cookie.
Bake your cookies for 14-16 minutes.
Let them cool slightly before diving in.