Add ground turkey, egg, salt, pepper, garlic powder, and parsley into a mixing bowl
Mix gently until just combined without overworking the meat
Lightly oil your hands and shape mixture into evenly sized meatballs
Heat olive oil in a skillet over medium heat
Place meatballs in pan and cook evenly on all sides until browned and cooked through
Remove meatballs and set aside temporarily
Reduce heat to low-medium and drain excess oil if needed
Pour in heavy cream and begin stirring gently
Add parmesan cheese, garlic powder, salt, and pepper
Stir continuously on low heat until cheese melts and sauce thickens
Return meatballs to skillet and coat them fully in sauce
Simmer gently for a few minutes until everything is heated through
Optionally place under broiler for a light golden finish on top