In a large bowl combine chicken, 1 teaspoon garlic powder, fennel, allspice, chopped apples, applesauce, coconut flour, 1 teaspoon salt and ¼ teaspoon pepper. Stir just until evenly combined, pour into a greased loaf pan and spread into an even layer.
In a small bowl combine chopped potatoes, avocado oil, ½ teaspoon salt and ½ teaspoon garlic powder and toss to coat. Pour potatoes on top of chicken and press down to set.
Bake for 45-50 minutes, until cooked through and potatoes are browned.