1In a bowl, combine ground chicken, sautéed onion, eggs, breadcrumbs, salt, pepper, Cajun seasoning, paprika, garlic powder, and onion powder. Mix well and form into 28 meatballs.
2Bake the meatballs in a 400°F oven for 18 minutes.
3In a saucepan, sauté minced onion and garlic in olive oil and butter for about 3 minutes.
4Add cherry tomatoes and fresh basil; cook for 3 minutes.
5Add chicken broth, bring to a simmer, then pour in heavy cream and bring to a light bubble.
6Stir in salt, black pepper, Cajun seasoning, white pepper, garlic powder, and onion powder. Mix until incorporated.
7Add freshly grated Parmesan cheese and bring to a light bubble.
8Add spinach and cook until wilted.
9Add the cooked meatballs to the sauce.
10Serve over mashed potatoes, rice, pasta, or with a side salad.