Preheat your oven to 400°F and lightly grease a baking sheet with the olive oil.
In a shallow bowl, whisk the egg until smooth. In a separate bowl, combine the almond flour, parmesan cheese, garlic powder, oregano, salt, and pepper.
Dip the chicken breast into the egg wash, then dredge it through the almond flour mixture, pressing firmly to ensure an even, crispy coating.
Place the chicken on the prepared baking sheet and bake for 15-18 minutes until the internal temperature reaches 165°F.
Spoon the marinara sauce over the chicken and sprinkle with mozzarella cheese, then return to the oven for 3-5 minutes until the cheese is melted and bubbly.
While the chicken rests, lightly sauté the spiralized zucchini in a pan over medium heat for 2-3 minutes until just tender.
Plate the zucchini noodles, top with the crispy chicken parmesan, and garnish with fresh chopped basil.