Preheat the oven to 180 º C.
Beat the butter withj the sugars in the mixer set to the medium speed for about 5 minutes.
Add the eggs, vanilla and salt, and beat for a few more minutes.
In the meantime, mix the coffee with the hot water. Pour it into the cookie batter.
Mix the flour, cocoa powder and baking powder in a bowl. Lower the speed to the minimum and slowly add the dry ingredients.
Lastly, fold the chocolate chips into the batter.
Form balls with the cookie batter, using a tablespoon to measure each dose. Flatten them a bit and place a caramel in the center of each cookie. Carefully wrap the cookie batter around the caramel, closing it, and decorate the surface with some extra chocolate drops.
Distribute the cookies across two trays, previously greased and lined with parchment baker.
Baking for about 10 minutes. Let them cool down for a while before removing them from the tray.
Decorate the cookies with some sifted cocoa powder and fleur de sel.