Pre-heat oven to 180℃ or 350℉ and line a cookie sheet with parchment paper
In a medium bowl, sift together the flour, cocoa, baking powder and salt
In the bowl of a stand mixer, combine the 2 sugars on low speed
Add the room temperature butter and mix for 5 minutes on low, increasing to medium speed, stopping and scraping the bowl with a rubber spatula as required
Add eggs one at a time and mix on low until just combined
Add vanilla extract and mix through
Stop the mixer and add the flour mixture, along with the chocolate chips
Mix on low speed until just combined, but be sure to scrape the bottom of the bowl to check that all of the ingredients have completely mixed
Using a large cookie scoop (size 16) scoop out the dough and roll into balls
Using your thumb, place a dent into each cookie dough ball, place a square of Lindor into the dent, then roll to enclose
Place cookie dough balls onto your prepared tray. Leave some space for spreading
Bake cookies for 10-15 minutes, then remove from oven and allow to cool on tray for 2 minutes, before transferring them to a rack to cool.