Bring the lard or coconut oil to medium high heat in a large saute pan. Add celery, mushrooms, and shallots. Stir in 1/4 teaspoon salt and cook for 5-6 minutes, until mushrooms are wilted down. Then add garlic and cook for another minute.
Stir in water chestnuts, bamboo shoots, chicken, remaining salt and 1 cup broth. Bring to a simmer and let cook for 8 minutes. In a small bowl stir together remaining broth, coconut aminos, tapioca starch and molasses. Stir to dissolve the tapioca starch, then add to chow mein.
Leave heat on medium and continually stir, which will result in the mixture thickening. Let cook for 4 minutes, then stir in stir in spinach, cilantro, and green onions. Cook for 2 or 3 minutes until spinach is wilted.
Serve hot over cauliflower rice. Leftovers will keep in refrigerator for 4 days.