Preheat the oven to 180C/350F degrees.
Line a baking tray with silver foil and lightly spray it, so the chicken doesn't stick.
Season the chicken breasts with salt and pepper.
Set up your dipping station with 3 shallow bowls. One with the oat fiber, one with the beaten egg and the third with the almond flour, parmesan, basil, garlic powder, onion powder and oregano.
Dip a chicken breast into the oat fiber, then the beaten egg and finally the Parmesan mixture.
Place the chicken breast on the tray and repeat for all the breasts.
Bake for 20 minutes and remove from the oven. Spoon the marinara sauce on each breast, then sprinkle with mozzarella. Return the chicken to the oven and bake for a further 5 minutes.
Serve with chopped fresh basil.