Measure out and prepare all of the ingredients. Preheat oven to 325F.

In a mixing bowl, combine almond flour, coconut flour, xanthan gum, cinnamon, and salt. Whisk to combine well.

In a separate mixing bowl, combine softened butter and cream cheese, allulose, and vanilla extract. Mix with a mixer to get smooth.

Add in the egg and beat again until combined well.

Place the combined flour ingredients into the wet mixture. Stir to combine well.

Add in the zucchini pieces.

Stir to combine well.

Line a baking sheet with parchment paper. Form the dough into small balls and evenly space out the cookie dough. Place in the oven for about 12 minutes or until just starting to turn golden brown.

Make the glaze by combining powdered erythritol, vanilla extract, and heavy cream. Whisk together to combine well.

Let cool for 5 - 10 minutes on a cooling rack. Drizzle with the glaze.

Serve and enjoy!