Preheat a pot. Heat the coconut oil. Add shallots, garlic, and ginger. Sauté until aromatic.
Add the chicken thighs to pot. Sear both sides.
Add cauliflower rice to the pot.
Stir cauliflower to combine with shallots, garlic, ginger, and chicken. Cook until lightly toasted.
Add stock to the pot and let the pot boil.
Reduce pot to a simmer until reduced.
Flavor pot with fish sauce, black pepper, and citrus.
Slowly whisk Xanthan gum into the pot.
Continue to cook pot until the congee has thickened to desired consistency. Serve congee hot. Add optional toppings to taste.