Crush the whole wheat cookies finely.
Mix the melted butter with the crushed cookies and press the mixture onto the bottom of the mold.
In a bowl, combine Greek yogurt, cream cheese, stevia (or erythritol), and lemon juice. Mix well.
Soak the gelatin in water, then dissolve it using a double boiler.
Add the melted gelatin to the yogurt cream mixture and stir to combine.
Pour the yogurt mixture over the cookie crust in the mold and smooth the top.
Let it set in the refrigerator for 3–4 hours.