1. In a blender or food processor, combine the cottage cheese, fat-free cream cheese, protein powder, maple syrup, and vanilla extract.
2. Blend until the mixture is completely smooth and creamy. Scrape down the sides if needed to ensure everything is well-mixed.
3. Place the keto graham crackers into the blender or food processor (you can do this in batches if needed).
4. Pulse until the crackers are finely crushed into a crumb-like texture.
5. Transfer the crumbs to a bowl and mix with the melted butter until evenly coated and slightly clumpy.
6. Spoon a layer of graham cracker dust into the bottom of each jar or serving dish.
7. Then, add the cheesecake filling on top of the graham cracker crust.
8. Refrigerate the jars for 1-2 hours to let the flavors meld and the cheesecake filling set.
9. Top each jar with fresh fruits of your choice.
10. Serve chilled, and enjoy your high-protein cheesecake jars!