Preheat oven to 400 degrees. Line a baking sheet with foil and spray with cooking spray.
In a medium bowl, combine ground turkey, Italian sausage, parmesan cheese, almond flour, egg, Italian seasoning, garlic, onion, salt, and pepper. Mix just until combined. You don't want to overmix.
Shape about 1 ½ tablespoons of the mixture into balls and place the baking sheet. You will have about 20 meatballs.
Bake until browned, about 15 minutes (an internal thermometer should read 165 degrees).
Notes
Store in an airtight container in the fridge for up to 4 days.
Reheat meatballs in your favorite sauce in a sauce pot. This will prevent them from getting dried out when reheating.
You can freeze the cooked meatballs in an airtight container for up to 3 months.
If the mixture is too wet, you can add a little more parmesan or almond flour. I recommend a tablespoon at a time.