Preheat the oven to 350 degrees Fahrenheit. Add the almond butter, pumpkin purée, erythritol, baking soda, lemon juice, salt, cinnamon, ginger, nutmeg, cloves, vanilla and xanthan gum to a large mixing bowl. Beat together thoroughly until well combined. The mixture should form a stiff dough. Please feel free to adjust the spices to personal taste and use your preferred low carb granulated or powdered sweetener.
Crack the egg into the bowl. Beat the egg into the dough until fully incorporated and well combined. The dough will be thick and sticky, almost like a stiff caramel.
Line a large shallow oven tray with baking paper. Take a generous tablespoon of the cookie dough and drop it on to the lined tray. You can shape this roughly into a circle, but it is best to leave it quite thick for a dense, chewy cookie. Repeat this process with the remaining dough so that you have ten cookies, spacing each about an inch apart.
Transfer the tray to the oven and bake for 12-15 minutes. The cookies should be cooked through, golden brown all over and slightly springy to touch. Set aside to cool completely or enjoy slightly warm.