In a large bowl mix together ground chicken, 2 garlic cloves, egg, Parmesan, parsley, and red pepper flakes. Season with salt and pepper then form into tablespoon sized meatballs.
In a large skillet over medium heat, heat oil and cook meatballs until golden on all sides and cooked through, 10 minutes. Transfer to a plate and wipe out skillet with a paper towel.
Melt butter in skillet then add remaining 3 garlic cloves and cook until fragrant, 1 minute. Add zoodles to skillet and toss in garlic butter then squeeze in lemon juice.
Add meatballs back and heat just until warmed through. Garnish with Parmesan to serve.
Recipe by Slim Pickins at https://www.slimpickins.org/2018/09/01/garlic-butter-meatballs/