In a medium mixing bowl, add the sugar-free gelatin powder.
Pour in the boiling water and whisk until completely dissolved.
Add the cold water and stir well.
Allow the mixture to cool for 5 minutes.
In a separate bowl, whisk together the Greek yogurt, protein powder, and vanilla extract until smooth.
Slowly add the yogurt mixture into the gelatin mixture while whisking continuously.
Pour the mixture evenly into dessert cups or ramekins.
Refrigerate for at least 2 hours or until fully set.
Garnish with fresh berries if desired and serve chilled.
