01 - Set oven to 400°F and line a baking sheet with parchment paper.
02 - In a large bowl, mix ground turkey, breadcrumbs or almond flour, egg, garlic, Parmesan, parsley, oregano, salt, and pepper until just incorporated; avoid overmixing.
03 - Form mixture into 16 uniform meatballs and arrange them on a plate.
04 - Heat 1 tablespoon olive oil in a large skillet over medium heat. Brown meatballs in batches for 4 to 5 minutes, turning to color all sides. Transfer browned meatballs onto the prepared baking sheet.
05 - Bake meatballs for 10 to 12 minutes until cooked through, reaching an internal temperature of 165°F.
06 - While meatballs bake, heat 1 tablespoon olive oil in a large skillet over medium heat. Sauté minced garlic for 30 seconds, add zucchini noodles, season with salt and pepper, and cook while gently tossing for 2 to 3 minutes until tender but firm. Remove from heat.
07 - Heat marinara sauce in a small saucepan until warmed through.
08 - Divide zucchini noodles onto plates, top with turkey meatballs, spoon over warmed marinara sauce, and garnish with additional Parmesan and fresh basil as desired.