Step 1

Preheat oven to 325F and grease an 8x8 inch baking pan.

Step 2

For the filling, combine the Swerve and cinnamon in a small bowl and mix well. Set aside.

Step 3

For the cake, whisk together almond flour, sweetener, protein powder, baking powder, and salt in a medium bowl.

Step 4

Stir in the eggs, melted butter and vanilla extract. Add the almond milk and continue to stir until well combined.

Step 5

Spread half of the batter in the prepared pan, then sprinkle with about two thirds of the cinnamon filling mixture. Spread the remaining batter over top and smooth with a knife or an offset spatula.

Step 6

Bake 35 minutes, or until top is golden brown and a tester inserted in the center comes out with a few crumbs attached.

Step 7

Brush with melted butter and sprinkle with remaining cinnamon filling mixture. Let cool in pan.

Step 8

For the frosting, beat cream cheese, powdered erythritol, cream and vanilla extract together in a small bowl until smooth. Pipe or drizzle over cooled cake.