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 diced onion and minced garlic for 2 minutes until softened. Add chopped spinach and cook for 2-3 minutes until wilted. Allow mixture to cool.
03 - In a large mixing bowl, combine ground chicken, egg, grated Parmesan cheese, almond flour, dried oregano, paprika, salt, and black pepper. Add the cooled spinach mixture, blending thoroughly until the mixture is uniform.
04 - With damp hands, form the mixture into 16 small meatballs and arrange them evenly on the prepared baking sheet.
05 - Brush or drizzle the meatballs with the remaining 1 tablespoon olive oil.
06 - Bake for 18-20 minutes, or until the meatballs are golden brown and cooked through. The internal temperature should reach 165°F.
07 - Allow the meatballs to rest for 3 minutes before serving.