Add the flour, baking powder and baking soda to a small bowl, whisk and set aside.
Add the butter, cane sugar and coconut sugar to a medium bowl. Using a handheld mixer, blend at medium-high speed for 2 minutes or until light and fluffy'
Add the yogurt and vanilla extract to the butter mixer and blend at medium speed for 1 minute or until well combined.
Add the dry ingredients to the wet ingredients, blending at medium speed just until no more flour can be seen.
Cut the 7 snack size candy bars in half to give yourself 14 pieces.
Line a small pan with parchment paper.
Scoop 2 tablespoons of cookie dough, roll it into a ball, press a candy bar piece into the center and roll the dough back into a ball. Place it on the lined cookie sheet. Repeat with the rest of the dough and candy bar pieces. You should end up with 14 cookies.
Cover and place the dough balls in the refrigerator to chill overnight.
Preheat the oven to 350F and line 2 cookie sheets with parchment paper.
Bake the cookies for 14 minutes. Once out of the oven, bang the pan a few times to flatten them slightly. (keep any unbaked dough balls in the refrigerator between batches)
Let the cookies rest on the pan for 10 minutes before transferring them to a cooling rack.
Store the cookies in an airtight container at room temperature.