1) In a cup or small bowl, whisk the collagen into the water until dissolved, then pour into the blender. 

2) Add the strawberries, lime juice and sweetener if using. 

3) Blend until smooth. You will likely have to use the blender plunger to help the blending along. Or, stop and scrape down the sides and shake the blender jar whenever the blender seems to get stuck. Then, restart, until the mixture is a nice smooth consistency. 

4) Use a spatula to scrape the mixture into a bowl or fancy glass and eat with a spoon.