This Spinach Artichoke Chicken Protein Casserole brings the best parts of a classic party dip to a wholesome, weeknight dinner. It’s rich but not heavy, creamy yet bright, and packed with lean protein and greens. You can assemble it in minutes with pantry staples and a rotisserie chicken.
It also reheats like a dream, so it’s perfect for meal prep or sharing. For another cozy chicken bake idea after this one, check out our High Protein Dinner Chicken Bake Recipe.
Spinach Artichoke Chicken Protein Casserole - Creamy, Comforting, and Meal-Prep Friendly
Ingredients
Method
- Prep the oven and pan: Heat oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish.
- Wilt the spinach (if using fresh): Add spinach to a dry skillet over medium heat and cook 1–2 minutes until just wilted.Cool slightly and squeeze out excess moisture. If using frozen, thaw completely and squeeze dry.
- Make the creamy base: In a large bowl, whisk Greek yogurt, cream cheese, mayonnaise, garlic, onion powder, red pepper flakes, salt, pepper, and lemon juice until smooth.
- Fold in the goods: Stir in chicken, chopped artichokes, spinach, 1/2 cup mozzarella, and 1/4 cup Parmesan until evenly coated.
- Assemble: Spread the mixture into the prepared baking dish. Top with the remaining mozzarella and Parmesan.
- Bake: Bake 20–25 minutes, until bubbly around the edges and the cheese is melted and lightly golden.
- Rest and serve: Let it rest 5–10 minutes so it sets.Serve on its own, over cauliflower rice, or with a simple salad.
What Makes This Recipe So Good
- High protein, low fuss: Rotisserie chicken and Greek yogurt deliver serious protein without extra cooking.
- Classic flavors, lighter feel: You get that spinach artichoke goodness with a balanced sauce.
- One pan, easy cleanup: Mix, spread, bake, and you’re done.
- Great for meal prep: Holds well in the fridge and freezer.
- Flexible ingredients: Use fresh or frozen spinach, canned or jarred artichokes, and your favorite cheese.
If you love low-carb comfort food, you might also enjoy our Low Carb Philly Cheesesteak Casserole.
What You’ll Need
- 3 cups cooked chicken, shredded (rotisserie works great)
- 1 (14 oz) can artichoke hearts, drained and chopped
- 4 cups fresh baby spinach, roughly chopped (or 10 oz frozen, thawed and well-drained)
- 1 cup plain Greek yogurt (2% or whole)
- 4 oz light cream cheese, softened
- 1/2 cup light mayonnaise (or more Greek yogurt)
- 1 cup shredded mozzarella, divided
- 1/2 cup grated Parmesan, divided
- 3 cloves garlic, minced
- 1 teaspoon onion powder
- 1/2 teaspoon crushed red pepper flakes (optional)
- 1 teaspoon kosher salt, plus more to taste
- 1/2 teaspoon black pepper
- Juice of 1/2 lemon (about 1 tablespoon)
- Olive oil spray or a little butter for the baking dish
Step-by-Step Instructions
- Prep the oven and pan: Heat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
- Wilt the spinach (if using fresh): Add spinach to a dry skillet over medium heat and cook 1–2 minutes until just wilted.
Cool slightly and squeeze out excess moisture. If using frozen, thaw completely and squeeze dry.
- Make the creamy base: In a large bowl, whisk Greek yogurt, cream cheese, mayonnaise, garlic, onion powder, red pepper flakes, salt, pepper, and lemon juice until smooth.
- Fold in the goods: Stir in chicken, chopped artichokes, spinach, 1/2 cup mozzarella, and 1/4 cup Parmesan until evenly coated.
- Assemble: Spread the mixture into the prepared baking dish. Top with the remaining mozzarella and Parmesan.
- Bake: Bake 20–25 minutes, until bubbly around the edges and the cheese is melted and lightly golden.
- Rest and serve: Let it rest 5–10 minutes so it sets.
Serve on its own, over cauliflower rice, or with a simple salad.
Storage Instructions
- Fridge: Store in an airtight container for up to 4 days. Reheat at 325°F, covered, until warm.
- Freezer: Freeze tightly wrapped portions for up to 3 months. Thaw overnight in the fridge and reheat covered at 325°F.
- Meal prep tip: Bake in two 8×8 pans—eat one this week and freeze the other.
Why This is Good for You
- Protein for satiety: Chicken and Greek yogurt help you stay full and support muscle recovery.
- Leafy greens: Spinach adds iron, folate, fiber, and antioxidants.
- Balanced fats: A mix of dairy and olive oil keeps it creamy without being heavy.
For more protein-forward dinner ideas, try our Protein Packed Chicken Casserole.
Pitfalls to Watch Out For
- Watery casserole: Always squeeze spinach well and drain artichokes to avoid excess moisture.
- Dry chicken: Use rotisserie chicken or poached chicken to keep the texture tender.
- Bland sauce: Don’t skip lemon, salt, or Parmesan—these bring the flavor to life.
- Overbaking: Pull it when it’s hot and bubbly; too long in the oven can dry it out.
Alternatives
- Dairy-free: Use dairy-free cream cheese, dairy-free yogurt, and a melty vegan cheese.
- Extra veggies: Add sautéed mushrooms or roasted red peppers for more color and fiber.
- Different protein: Swap chicken for turkey, shredded rotisserie-style tofu, or cooked shrimp.
- Lower fat: Use all 2% Greek yogurt and reduce cheese by one-third.
- Add crunch: Top with a light sprinkle of almond flour or crushed pork rinds for a crispy finish.
Love creamy casseroles with greens?
You’ll also like our Creamy Keto Chicken Casserole With Spinach.
FAQ
Can I make this ahead?
Yes. Assemble up to 24 hours in advance, cover, and refrigerate. Add 5–10 minutes to the bake time if it goes into the oven cold.
What can I use instead of Greek yogurt?
You can use sour cream or a mix of light mayo and cottage cheese blended smooth.
Aim for a thick, tangy base.
Is frozen spinach okay?
Absolutely. Thaw completely and squeeze out as much water as possible. This step makes or breaks the texture.
How do I keep it from getting dry when reheating?
Reheat covered at a lower temperature and add a splash of chicken broth or a spoon of yogurt if needed.
What should I serve with it?
A crisp side salad, roasted vegetables, or cauliflower rice pairs nicely.
If you want pasta vibes, try our creamy Ricotta Chicken Pasta With Spinach for a complementary meal another night.
Final Thoughts
This Spinach Artichoke Chicken Protein Casserole feels like comfort food without the sluggish aftermath. It’s fast to pull together, friendly to substitutions, and perfect for busy nights or make-ahead lunches. If you’re building a rotation of weeknight winners, bookmark our The Ultimate Protein Packed Casserole and a hearty soup like Avgolemono Greek Lemon Chicken Soup for variety.
Enjoy the creamy, cheesy goodness—and the protein boost that comes with it.
