High Protein Chicken Parmesan Casserole

High Protein Chicken Parmesan Casserole tastes like saucy, cheesy comfort with juicy chicken, crisp-edged crumbs, and a bright hit of basil. It suits busy weeknights, gym-goers chasing extra protein, and anyone who wants dinner on the table in about 40 minutes. I first made it after leg day and nearly guarded my plate from my own family.

Why Choose This High Protein Chicken Parmesan Casserole

High Protein Chicken Parmesan Casserole delivers classic chicken parm flavor with bigger protein numbers and less fuss. It skips breading and frying, loads up on lean chicken plus a creamy cottage cheese and Greek yogurt layer, and still brings the bubbly mozzarella top you crave.

You assemble everything in one pan, so weeknights feel peaceful. The texture hits all the notes: saucy, stretchy, and a little crunchy on top.

“This casserole tastes like my favorite chicken parm met meal prep and shook hands on flavor and macros ★★★★★”

Ingredients You Need

  • Cooked chicken breast, 2 pounds, shredded or cubed (rotisserie chicken works; drain well; grilled works too)
  • Marinara sauce, 2 cups (no sugar added if you track carbs; I like Rao’s or Primal Kitchen)
  • Low-fat cottage cheese, 1 cup (blend it for a smooth, ricotta-like layer)
  • Nonfat Greek yogurt, 1 cup (adds creaminess and protein; Fage or Chobani both hold up)
  • Part-skim mozzarella, 1.5 cups shredded, divided (use a block and shred for better melt)
  • Parmesan cheese, 1/2 cup finely grated, divided (Pecorino also works)
  • Egg whites, 2 tablespoons (binds the creamy layer without extra fat)
  • Garlic, 2 cloves minced (or 1 teaspoon garlic powder for a shortcut)
  • Italian seasoning, 1.5 teaspoons
  • Red pepper flakes, 1/4 teaspoon, optional
  • Kosher salt and black pepper to taste
  • Whole wheat panko or crushed pork rinds, 3/4 cup (panko for classic crunch, pork rinds for low carb)
  • Olive oil, 1 tablespoon (or avocado oil spray for lighter coverage)
  • Fresh basil or parsley, 1/4 cup chopped, for garnish

Optional add-ins:

  • Baby spinach, 3 cups, roughly chopped (stir in fresh)
  • High-protein pasta, 8 ounces cooked al dente, drained very well (Barilla Protein+ or Banza if you want a pasta bake vibe)

Equipment:

  • 9×13 inch baking dish
  • Blender or food processor for the cottage cheese mix
  • Large bowl and spatula
  • Measuring cups and spoons
  • Instant-read thermometer

How to Make High Protein Chicken Parmesan Casserole

Step 1: Prep the oven and pan

  • Heat the oven to 400°F.
  • Lightly oil a 9×13 dish or coat it with spray.

Step 2: Mix the saucy base

  • In a large bowl, stir marinara, Italian seasoning, red pepper flakes, and half of the Parmesan.
  • Add the chicken and toss until every piece looks saucy.
  • If you use spinach or cooked pasta, fold it in now and season with salt and pepper.

Step 3: Blend the creamy protein layer

  • In a blender, blend cottage cheese, Greek yogurt, egg whites, garlic, a pinch of salt, and a pinch of pepper until smooth.
  • Stir in 1/2 cup mozzarella by hand.

Step 4: Assemble

  • Spread half of the saucy chicken in the dish.
  • Dollop and spread the creamy layer over it.
  • Top with the rest of the chicken mixture.
  • Sprinkle the remaining mozzarella and remaining Parmesan on top.

Step 5: Add the crunchy topping

  • Toss panko or crushed pork rinds with olive oil and a pinch of salt.
  • Sprinkle the mixture evenly over the cheese.

Step 6: Bake and finish

  • Bake on the middle rack for 18 to 22 minutes, until the edges bubble and the top turns golden.
  • If you want extra color, broil for 1 to 2 minutes. Watch closely so it does not burn.
  • Let it rest 5 minutes, then shower with chopped basil.

Tips & Common Mistakes

  • Dry the chicken well or the casserole turns watery.
  • Season the marinara and chicken, then taste the mix before baking.
  • Blend the cottage cheese until silky to avoid curd-like pockets.
  • Keep pasta slightly undercooked if you add it, since it softens in the sauce.
  • Do not drown it in sauce. Aim for glossy, not soupy.
  • Use a hot oven. Low heat prevents browning and crunch.
  • Broil briefly and watch like a hawk to avoid scorched crumbs.
  • Let it rest before slicing so layers set and serve cleanly.

Variations I've Tried

  • Low carb: skip pasta and use pork rind crumbs for the top.
  • Gluten free: use gluten-free panko or crushed grain-free crackers.
  • Spicy arrabbiata: swap marinara for spicy sauce and add sliced Calabrian chiles.
  • Veggie boost: fold in roasted zucchini or mushrooms with the chicken.
  • Buffalo parmesan: stir 2 to 3 tablespoons buffalo sauce into the creamy layer and finish with blue cheese crumbles.
  • Extra cheesy: add a provolone layer under the topping for a sharper melt.

How to Serve

Scoop generous squares with a big spoon and let the cheese stretch a little, just for fun. Pair it with a simple green salad, roasted broccoli, or garlic bread if you want a carb buddy. I like a crisp Caesar side and a cold seltzer with lemon. A light red or a chilled pinot grigio also plays nice with the tomato and cheese.

Make-Ahead and Storage

  • Make ahead: assemble the casserole up to the crumb topping, cover, and refrigerate for up to 24 hours. Add the crumbs right before baking to keep them crisp.
  • Fridge: store leftovers in airtight containers for 3 to 4 days.
  • Freezer: wrap the baked and cooled casserole tightly and freeze for up to 3 months. For best texture, freeze without the crumb topping, then add fresh crumbs before reheating.
  • Reheat: warm covered at 350°F until hot, about 18 to 25 minutes for a pan or 2 to 3 minutes per portion in the microwave. Broil 1 minute at the end to revive the crust.
High Protein Chicken Parmesan Casserole
Ally Sanders

High Protein Chicken Parmesan Casserole

High Protein Chicken Parmesan Casserole is a hearty, cheesy baked dish made with lean chicken, tomato sauce, and mozzarella for a comforting, protein-packed meal.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 6
Course: Lunch
Cuisine: American

Ingredients
  

  • 1 1/2 pounds boneless, skinless chicken breasts, cut into bite-size pieces
  • 1 tablespoon olive oil
  • 1/2 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 teaspoon garlic powder
  • 1 teaspoon Italian seasoning
  • 2 cups low-sugar marinara sauce
  • 1 cup part-skim ricotta cheese
  • 1 1/2 cups shredded part-skim mozzarella cheese, divided
  • 1/4 cup grated Parmesan cheese
  • 1 cup plain nonfat Greek yogurt
  • 1 large egg
  • 1/2 cup whole wheat breadcrumbs
  • 2 tablespoons fresh basil, chopped
  • nonstick spray for greasing the baking dish

Instructions
 

  1. Preheat the oven to 375°F (190°C) and lightly grease a 9x13-inch baking dish with nonstick spray.
  2. In a large bowl, toss the chicken pieces with olive oil, salt, black pepper, garlic powder, and Italian seasoning until evenly coated.
  3. Spread the seasoned chicken evenly in the prepared baking dish and pour the marinara sauce over the chicken, stirring gently to coat.
  4. In a medium bowl, whisk together the ricotta cheese, Greek yogurt, egg, and half of the shredded mozzarella until smooth.
  5. Dollop and spread the ricotta mixture evenly over the sauced chicken layer.
  6. In a small bowl, combine the remaining mozzarella, grated Parmesan, and whole wheat breadcrumbs. Sprinkle this mixture evenly over the top of the casserole.
  7. Bake for 25 to 30 minutes, or until the chicken is cooked through (165°F/74°C internal temperature) and the top is golden and bubbly.
  8. Remove from the oven and let the casserole rest for 5 to 10 minutes to set before serving. Garnish with chopped fresh basil if desired.

Notes

Nutrition Information
Approximate per serving (1/6 of recipe): 340 calories; fat 14 g; saturated fat 6 g; carbohydrates 12 g; fiber 2 g; sugars 4 g; protein 40 g; sodium 720 mg. Values will vary based on brands, add-ins, and portion size.