For the crust: 

• 2 ½ tbsp coconut flour
• ½ cup almond flour
• 1 tsp baking powder
• ¼ cup butter softened
• 6 tbsp granulated Stevia or other low carb granulated sweetener 
• 1 egg
• 1 tsp pure vanilla extract 
• 6 tbsp unsweetened almond milk

For the filing: 

• 12 oz cream cheese, softened 
• 6 tbsp granulated Stevia or other low carb granulated sweetener
• 2 eggs 
• 1 tsp pure vanilla extract 
• ½ cup sour cream 

For the chocolate layer: 

• 6 tbsp heavy cream 
• 3 oz sugar free dark chocolate chips 
• 1 tbsp butter