Whisk almond flour, baking powder, and sweetener in a bowl.
Microwave mozzarella and cream cheese in 20-second bursts until melted.
Combine melted cheese mixture with eggs and dry ingredients in a food processor until smooth.
Roll dough into a rectangle on a clean surface.
Spread melted butter, sprinkle brown sugar substitute and cinnamon.
Roll into a log and slice into 12 pieces.
Bake at 375°F for 20 minutes.
Mix frosting ingredients until smooth and spread over warm rolls.