Preheat oven to 375F and prepare baking sheet using parchment paper or baking mat.

In a medium size bowl, whisk together the flour, cocoa powder, baking soda, salt and set aside.

In a large bowl, add butter, sugar and mix until light and fluffy. Then add the egg, vanilla extract and mix until well combined.

Roll cookie dough into 1 inch ball or use ice cream scooper and place on the mat and bak for 8-9 minutes.

Remove from oven and cool for 2 minutes. Then add the kisses. Serve immediately.