Place the butter, sour cream, and cream cheese in a medium bowl and beat with a mixer.
Wait until the mixture becomes smooth.Put the cocoa powder, coffee powder, sweetener, and vanilla extract in the same bowl.
Blend all the ingredients until fully combined.
Reserve for later.Prepare a separate bowl for the whipped cream mixture.
Beat the whipping cream in it until soft peaks are produced.
Pour the sweetener and vanilla extract into the bowl then beat again up till stiff peaks form.Transfer ⅓ of the whipped cream mixture onto the cream cheese mixture.
Fold together to lighten the mixture of cream cheese.