Empty one packet of gelatin into a small dish and add 1 oz of sugar free flavored syrup of your choice. I am using Jordan's Skinny Syrups Vanilla, Sugar Free Flavoring Syrup. Mix it well and leave it for 5-10 minutes for the gelatin to bloom.
Prepare espresso either by using an espresso machine to make a shot or making an instant coffee.
Add espresso to gelatin and make sure it is cooled before proceeding to the next step
Add coffee gelatin into a bowl with yogurt and mix it well. Do a taste test before dividing into cups. If you need more sweetness, add more syrup at this time
Prepare cups by lining them with one crumbled biscoff cookie. I use Granite Mortar and Pestle Set to grind the cookies. Fill the cups with yogurt gelatin mix and tap it (see video) to even it out. Refrigerate for at least 2 -3 hours.
Garnish with an extra biscoff cookie or crumble it on top. You can also sprinkle cocoa powder on top.