Melt butter and cocoa butter in a double broiler or in the microwave oven. If you melt it in the microwave, only do short second intervals.
Put the monk fruit into a coffee grinder to make it into a confectioner powder. You can always buy the confectioner kind. Make sure to check for ratios.
Once the butter and cocoa butter is melted stir in the monk fruit along with the vanilla extract.
Place the cream cheese in a mixing bowl.
Pour fat mixture over the cream cheese. Blend with an electric mixer.
Crush the pecans and mix into the cream cheese mixture.
Pour into silicone molds or pour into a container to cut later.
Place in freezer or fridge to set.