Beat the Greek yogurt until it is smooth
Add vanilla and whisk to continue
Add powdered sure and stir vigorously to remove any lumps
Place silicone popsicle mold on a flat surface (like cutting board or baking sheet)
Fill the molds to the top, tapping to release any air bubbles. Place the popsicle sticks in the mold.
Place mold (on the cutting board or baking sheet) in the freezer for 6 hours or until completely frozen.
Remove popsicles from mold and enjoy!