Preheat the oven to 350 degrees.
Place all of the dry ingredients for the cake into a mixing bowl, and combine well.
Add the wet ingredients for the cake into the dry ingredients and mix until smooth and creamy.
Spread the cake batter out thinly on a baking sheet lined with parchment paper.
Bake for 12-15 minutes until cooked completely through.
Let the cake cool completely.
Mix together all of the ingredients for the filling until smooth and creamy.
Once the cake has cooled completely, spread the filling out in an even layer over the surface.
Using the parchment paper, slowly lift and roll the cake until it forms a log shape.
Place into the freezer to set for a few minutes.
Slice off a piece from each end to create a cleaner look.
Top with your favorite keto-friendly icing and serve.