01 - Preheat oven to 400°F and line a baking sheet with parchment paper.
02 - Heat 1 tablespoon olive oil in a skillet over medium heat. Sauté onion and garlic for 2 minutes until softened. Add chopped spinach and cook for an additional 2-3 minutes until wilted. Allow mixture to cool.
03 - In a large mixing bowl, combine ground chicken, egg, Parmesan, almond flour, dried oregano, paprika, salt, and black pepper. Incorporate the cooled spinach mixture and mix thoroughly until uniform.
04 - With damp hands, shape mixture into 16 evenly sized meatballs. Arrange on the prepared baking sheet.
05 - Brush or drizzle the remaining olive oil over the formed meatballs.
06 - Transfer to oven and bake for 18-20 minutes, or until golden and fully cooked with an internal temperature of 165°F.
07 - Allow meatballs to rest for 3 minutes before serving.