Heat 1 T avocado oil in non stick skillet. Add onion and garlic and cook 2 minutes. Now add chicken and cook, breaking up until no longer pink. Add spices and mix together. Now add chicken broth, reduce heat and simmer for another few minutes.
To make chipotle crema, add all ingredients to blender and pulse until smooth.
Spoon chicken mixture into butter lettuce cups and top with desired toppings!