If using a flax egg, mix 1 tablespoon flaxseed meal with 3 tablespoons water in a small bowl. Let it sit for about 5 minutes to thicken.
In a shallow bowl, combine the coconut flour, shredded coconut, finely chopped walnuts, sea salt, garlic powder, turmeric, and ground ginger. Mix thoroughly.
Beat the egg or flax egg in a separate shallow bowl.
Dip each chicken tender into the egg or flax egg, ensuring it is fully coated. Then, dredge it in the coconut coating mixture, pressing down to ensure it sticks well.
Heat coconut oil in a skillet over medium heat. Add the coated chicken tenders to the skillet. Cook for 4-5 minutes on each side, or until the tenders are golden brown and the internal temperature reaches 165°F (74°C). Alternatively, bake in a preheated oven at 375°F (190°C) for 20-25 minutes, turning once halfway through, until golden brown and cooked through.
Remove from the skillet or oven and let cool slightly before serving.