High-Protein Spinach and Artichoke Chicken Casserole (Summer Recipe)

Creamy, cheesy, and packed with lean protein, this High-Protein Spinach and Artichoke Chicken Casserole is a comforting one-pan meal that still feels light enough for summer. Tender chicken, tangy artichokes, and vibrant spinach are folded into a rich, protein-boosted creamy base, then baked until golden, bubbly, and irresistible.

Perfect for busy weeknights, meal prep, or when you want something hearty without feeling heavy.

Key Ingredients

Everything you need for a creamy, protein-rich casserole:

• 2 cups cooked shredded chicken breast: Lean protein base that keeps the dish filling
• 1 cup frozen spinach (thawed & drained): Adds color, nutrients, and freshness
• 1 cup canned artichoke hearts (chopped): Brings tangy, tender bites
• 1 cup Greek yogurt: Creamy, high-protein base instead of heavy cream
• 1 cup shredded mozzarella: Melty, gooey texture
• 1/2 cup grated Parmesan: Salty, rich depth of flavor
• 2 cloves garlic (minced): Aromatic savory boost
• 1 tsp onion powder: Enhances overall flavor
• 1 tsp garlic powder: Adds extra garlicky warmth
• 1 tsp salt & 1/2 tsp black pepper: Essential seasoning
• 1/4 tsp red pepper flakes (optional): Light heat kick
• 1 tbsp olive oil: Helps blend and cook flavors
• Fresh parsley (optional): Bright finishing touch

How to Make Spinach and Artichoke Chicken Casserole

This recipe is simple, creamy, and oven-baked to perfection.

1. Preheat oven to 350°F (175°C) and lightly grease a baking dish.
2. In a large bowl, mix together shredded chicken, spinach, artichokes, Greek yogurt, mozzarella, and half of the Parmesan.
3. Add garlic, onion powder, garlic powder, salt, pepper, and red pepper flakes. Stir until everything is well combined and creamy.
4. Heat olive oil in a skillet over medium heat, then add the mixture and warm for 3–5 minutes, stirring gently.
5. Transfer everything into the prepared baking dish and spread evenly.
6. Sprinkle remaining Parmesan cheese over the top for a golden crust.
7. Bake for 25–30 minutes until bubbly and lightly golden on top.
8. Let it rest for a few minutes before serving so it sets nicely.
9. Garnish with fresh parsley and serve warm.

Serving Suggestions

This casserole pairs beautifully with simple, fresh sides:

• Crisp green salad with lemon vinaigrette
• Steamed broccoli, asparagus, or green beans
• Warm garlic bread or whole-grain toast
• A squeeze of fresh lemon juice for brightness

Tips for Best Results

• Drain spinach and artichokes well to avoid excess water
• Use rotisserie chicken for quicker prep
• Add cheddar or feta for extra flavor variation
• Mix in extra veggies like mushrooms or bell peppers
• Add lemon zest for a fresher summer-style taste

How to Store

• Refrigerate: Store in airtight containers for up to 4–5 days
• Freeze (baked): Freeze up to 3 months, thaw overnight before reheating
• Freeze (unbaked): Assemble, cover tightly, and freeze for later baking
• Reheat: Microwave individual portions or bake at 350°F until warm

Frequently Asked Questions

Q: How long does it take to make this casserole?
A: About 45–50 minutes total including prep and baking time.

Q: Can I make it ahead?
A: Yes, it stores and reheats very well, making it perfect for meal prep.

Q: Can I use other proteins?
A: Yes—turkey, shredded rotisserie chicken, or plant-based chicken all work.

Q: Can I make it lighter?
A: Use low-fat Greek yogurt and reduce cheese slightly for a lighter version.

Q: How do I prevent it from getting watery?
A: Make sure spinach and artichokes are fully drained before mixing.

What Makes This Special

This casserole works because it balances creamy comfort with high-protein nutrition. Greek yogurt keeps it light, chicken adds substance, and spinach plus artichokes bring freshness and texture. It’s a one-pan meal that feels indulgent but fits perfectly into a healthy lifestyle.

Save it, print it, or prep it ahead—you’ll find yourself coming back to this one again and again.