Cream the cream cheese blocks until smooth.
Add the liquid stevia and blend again until mixed thoroughly.
Add 1/2 cup of the cool whip and mix until the mixture is smooth and soft.
Divide the mixture in half.
Melt the chocolate chips (microwave method or stove-top method)
Let the chocolate cool for a few minutes.
Pour the melted chocolate into one half of the cream cheese mixture and stir until well combined.
Divide the remainder of the cool whip, between the 2 cream cheese mixtures and fold gently until light and fluffy.
Pour the chocolate layer over the chilled crust and smooth out the top.
Chill, while you are working on the raspberry gel layer.
Chill the white cream cheese mix, until you are ready to use it.