In a high-powered blender or food processor, combine the yogurt, condensed milk, protein powder, lime juice, and lime zest. Blend until smooth and creamy.

Add 2 packets of True Lime (or 1/2 tsp lime flavor), blend for 15 seconds, and taste. Adjust lime flavoring and sweetener as desired.

Add 1 to 2 drops green food coloring and 1 drop yellow food coloring and blend until well mixed. This step is optional.

Divide the mixture evenly between 6 popsicle molds, filling to about 1/2 inch from the top. Sprinkle each with some of the cookie crumbs.

Press popsicle sticks about two-thirds of the way down into the popsicles. Freeze until firm, preferably overnight for at least 8 hours.

To unmold, heat some water in a kettle. Pour the hot water over the outside of the popsicle mold you wish to release for 10-15 seconds, then tug the stick gently. Use more hot water as needed.