Preheat the oven to 170°C (338°F).
Mix chopped granola and almond flour in a bowl with fat-free yogurt to make the crust base.
Spread the crust evenly in the pan and gently press it down.
Add cream cheese, Greek yogurt, and stevia to a bowl and mix until smooth.
Add the egg, mix well, then blend until smooth.
Add blueberries to the batter and gently fold them in.
Pour the batter over the crust and level the surface.
Bake in the oven for 30 minutes.
Let it cool completely, then refrigerate for at least 2 hours.