Preheat the oven to 350 degrees F.

In a large bowl, whisk together the almond flour, sugar and salt.

In a small microwave safe bowl, melt the butter.

Stir the melted butter into the flour mixture, until you have a crumbly texture.

Press the mixture into a 9 in pie shell, or spring form cake pan.

Press evenly along the bottom, and up the sides.

Pierce the bottom with a fork, then bake for 16 minutes.

Carefully remove from the oven and set aside.

In a blender or food processor, mix together the cottage cheese, greek yogurt and cream cheese.

Add in the sugar substitute, vanilla, salt, zest & juice of two lemons.

Mix together.

Last, add in the eggs and preferred thickener.

Mix until you have a smooth texture.

Pour the mixture into your pie shell.

Bake at 350 degrees for 50 minutes.

Remove and let cool completely on a wire rack.

Garnish with powdered sugar substitute if desired.