Preheat oven to 400°F and grease a baking sheet with olive oil.
Pound the chicken breast to an even thickness for uniform cooking.
In a shallow bowl, mix panko, almond flour, parmesan, garlic powder, oregano, salt, and pepper.
Dip the chicken into the egg white, then coat thoroughly with the breading mixture.
Place chicken on the baking sheet and bake for 15 minutes until the crust is golden.
Spoon marinara sauce over the chicken and top with mozzarella cheese; bake for 5 more minutes.
While chicken finishes, lightly sauté zucchini noodles in a pan until just tender.
Serve the crispy chicken over the warm zucchini noodles.