This will become your go-to cake for birthdays or holidays! Keto cinnamon brown sugar cake is healthy because it's made with zucchini!
Preheat the oven to 350 degrees.
Blend together all of the cake ingredients in a mixing bowl until well combined.
Place the mixture into a well greased 9x9 baking dish.
Bake for 30-35 minutes, or until cooked through completely.
Let the cake cool to room temperature.
Beat together the icing ingredients until smooth and creamy.
Spread the icing over the cooled cake and serve.