1. In a small bowl, stir together the crushed graham crackers and melted butter until evenly coated. Divide the mixture between 4 small jars and press it down lightly.

2. In a medium bowl, beat the softened cream cheese until smooth.

3. Add the Greek yogurt, vanilla protein powder, maple syrup or honey, vanilla extract, and lemon juice. Mix until creamy and lump-free.

4. Spoon or pipe the cheesecake filling evenly into the jars over the crumb layer.

5. Smooth the tops with the back of a spoon.

6. Top each jar with fresh berries, plus chia seeds or chopped nuts if using.

7. Cover and refrigerate for at least 1 hour before serving.