Preheat oven 180C | 356F. Grease a 8-inch square cake pan. Set aside.

Combine the cream cheese, ricotta, egg, egg whites, sweetener/sugar, flour and vanilla in a bowl. Beat with a hand mixer on low speed for 2 minutes until smooth and creamy.

Fold in crushed Oreos.

Pour into prepared pan and bake in the oven for 40 minutes, or until set in the centre.

Remove from oven and allow to cool for about 10 minutes. Cut into 16 bars!

Transfer to fridge to allow to set for about an hour, or serve warm from the oven!