This casserole hits that sweet spot between hearty and wholesome. It’s loaded with lean protein, creamy sauce, and tender veggies, and it bakes up bubbly with a golden top. You can assemble it in the morning and bake it before dinner, or freeze it for a busy weeknight.

Kids get comfort food. Grown-ups get balanced macros. If you love simple, satisfying meals, you might also enjoy our make-ahead breakfast bakes like Make Ahead Savory Brunch Egg Bake or a similar creamy dinner favorite like High Protein Chicken Alfredo Bake.

Family-Friendly Protein Casserole - A Cozy, Make-Ahead Dinner Everyone Loves

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Prep Time 20 minutes mins

Cook Time 35 minutes mins

Total Time 55 minutes mins

Servings: 6 servings

Ingredients Method

Ingredients

  

• 3 cups cooked chicken breast, shredded or diced (rotisserie works)
• 2 cups small pasta (penne, rotini, or shells) or cooked quinoa
• 2 cups broccoli florets (fresh or frozen)
• 1 cup frozen peas and carrots
• 1 small onion, finely diced
• 2 cloves garlic, minced
• 1 cup low-fat cottage cheese
• 1 cup plain Greek yogurt
• 1/2 cup low-sodium chicken broth
• 1/2 cup grated Parmesan
• 1 cup shredded mozzarella (or part-skim)
• 2 tablespoons olive oil or butter
• 1 teaspoon Dijon mustard
• 1 teaspoon Italian seasoning
• 1/2 teaspoon onion powder
• Salt and black pepper, to taste
• Optional: 1/2 cup whole-wheat breadcrumbs for topping

Method

 

1. Preheat oven to 375°F (190°C).Grease a 9x13-inch baking dish.
2. Cook pasta to al dente in salted water. In the last 2 minutes, toss in broccoli to blanch. Drain well.
3. Warm a large skillet over medium heat.Add oil, onion, and a pinch of salt. Cook 3–4 minutes until soft. Stir in garlic for 30 seconds.
4. Make the creamy base: In a blender, combine cottage cheese, Greek yogurt, chicken broth, Dijon, Italian seasoning, onion powder, and half the Parmesan.Blend until smooth. Taste and season with salt and pepper.
5. In a big bowl, combine chicken, pasta, broccoli, peas/carrots, and the sautéed onion/garlic. Pour in the sauce and half the mozzarella. Stir gently to coat.
6. Spread mixture in the baking dish.Top with remaining mozzarella and Parmesan. Sprinkle breadcrumbs if using.
7. Bake 22–28 minutes, until bubbly and lightly golden on top. For extra color, broil 1–2 minutes at the end.
8. Rest 5–10 minutes before serving so it sets and slices cleanly.

What Makes This Special

– High in protein without being heavy, thanks to lean chicken, Greek yogurt, and cottage cheese. – Kid-approved flavors—think creamy, cheesy, and familiar. – Flexible with easy swaps for pasta, veggies, or different proteins. – Great for meal prep because it reheats beautifully and packs well. – Budget-friendly pantry ingredients and freezer-ready.

Shopping List

• 3 cups cooked chicken breast, shredded or diced (rotisserie works)
• 2 cups small pasta (penne, rotini, or shells) or cooked quinoa
• 2 cups broccoli florets (fresh or frozen)
• 1 cup frozen peas and carrots
• 1 small onion, finely diced
• 2 cloves garlic, minced
• 1 cup low-fat cottage cheese
• 1 cup plain Greek yogurt
• 1/2 cup low-sodium chicken broth
• 1/2 cup grated Parmesan
• 1 cup shredded mozzarella (or part-skim)
• 2 tablespoons olive oil or butter
• 1 teaspoon Dijon mustard
• 1 teaspoon Italian seasoning
• 1/2 teaspoon onion powder
• Salt and black pepper, to taste
• Optional: 1/2 cup whole-wheat breadcrumbs for topping

Instructions

1. Preheat oven to 375°F (190°C).

   Grease a 9×13-inch baking dish.

2. Cook pasta to al dente in salted water. In the last 2 minutes, toss in broccoli to blanch. Drain well.
3. Warm a large skillet over medium heat.

   Add oil, onion, and a pinch of salt. Cook 3–4 minutes until soft. Stir in garlic for 30 seconds.

4. Make the creamy base: In a blender, combine cottage cheese, Greek yogurt, chicken broth, Dijon, Italian seasoning, onion powder, and half the Parmesan.

   Blend until smooth. Taste and season with salt and pepper.

5. In a big bowl, combine chicken, pasta, broccoli, peas/carrots, and the sautéed onion/garlic. Pour in the sauce and half the mozzarella. Stir gently to coat.
6. Spread mixture in the baking dish.

   Top with remaining mozzarella and Parmesan. Sprinkle breadcrumbs if using.

7. Bake 22–28 minutes, until bubbly and lightly golden on top. For extra color, broil 1–2 minutes at the end.
8. Rest 5–10 minutes before serving so it sets and slices cleanly.

How to Store

– Refrigerate in an airtight container for up to 4 days. – Freeze unbaked (wrapped tightly) for up to 2 months.

Thaw overnight, then bake as directed, adding 5–10 minutes. – Reheat single portions in the microwave with a splash of broth or water to keep it creamy.

Health Benefits

– Protein-forward: Chicken, Greek yogurt, and cottage cheese support muscle repair and steady energy. – Balanced carbs: Pasta plus veggies keep the meal satisfying without a crash. Choose whole-wheat for more fiber. – Lighter creaminess: Blended dairy replaces heavy cream, cutting saturated fat while keeping that cozy texture. – Veggie boost: Broccoli, peas, and carrots add vitamins A, C, and fiber.

Common Mistakes to Avoid

– Overcooking pasta: It will soften more in the oven; keep it al dente. – Skipping the seasoning check: Taste the blended sauce and adjust salt/pepper before mixing. – Watery casserole: Drain veggies and pasta well. If using frozen broccoli, thaw and pat dry. – Dry top: Don’t skimp on cheese.

A light foil cover for the first 15 minutes helps if your oven runs hot.

Variations You Can Try

– Taco-style: Swap Italian seasoning for chili powder and cumin. Add black beans and corn. Top with cheddar. – Turkey and spinach: Use ground turkey and fold in fresh spinach.

For more ideas, check our veggie-packed bakes like Mediterranean Turkey Zucchini Bake. – Alfredo twist: Add garlic and extra Parmesan for a richer vibe, similar to this reader favorite: Creamy Greek Yogurt Alfredo Chicken Pasta. – Low-carb: Replace pasta with steamed cauliflower florets or zucchini slices. For a fully low-carb bake, try the related Low Carb Turkey Zucchini Casserole. – Pasta bake lovers: If creamy, cozy bakes are your thing, you’ll also like our Cottage Cheese Protein Pasta Bake.

FAQ

Can I make this dairy-free?

Yes. Use a thick, unsweetened dairy-free yogurt and a smooth tofu or cashew cream in place of cottage cheese.

Choose a vegan cheese that melts well and a vegetable broth.

What’s the best pasta shape?

Short, ridged pasta like rotini or penne holds sauce well and keeps every bite creamy. Shells work too, especially for kids.

Can I use canned chicken?

You can. Drain and shred it well, and add a little extra seasoning.

Rotisserie chicken gives a nicer texture, but canned works in a pinch.

How can I add more veggies?

Fold in sautéed mushrooms, bell peppers, or zucchini. Just cook off excess moisture first, then mix into the casserole.

How do I prevent the top from over-browning?

Tent with foil if it colors too fast, or bake on a lower rack. Remove foil for the final 5–10 minutes to finish bubbling.

In Conclusion

This family-friendly protein casserole checks every box: simple prep, reliable leftovers, and a creamy, comforting finish without feeling heavy.

Serve it with a side salad or fruit, and dinner’s done. If you want more high-protein comfort ideas after this one, try our High Protein Chicken Parmesan Casserole for another crowd-pleasing bake. And for a lighter, veggie-forward option on busy nights, our Mediterranean Vegetable Soup pairs perfectly with a warm slice of garlic bread.

Enjoy!