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Serving of high protein chicken broccoli casserole with chicken, broccoli, creamy sauce, and melted cheese

High Protein Chicken Broccoli Casserole

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A creamy baked chicken and broccoli casserole with blended cottage cheese, Greek yogurt, sharp cheddar, Parmesan, garlic, and Dijon. One of eight servings provides an estimated 47 grams of protein.

  • Total Time: 50 minutes
  • Yield: 8 servings

Ingredients

Scale
  • 2 pounds (907 g) boneless skinless chicken breasts, cut into 1-inch pieces
  • 6 cups small broccoli florets
  • 1 tablespoon olive oil
  • 1 teaspoon fine salt, divided
  • 1/2 teaspoon ground black pepper, divided
  • 1 1/2 cups low-fat cottage cheese
  • 1 cup plain nonfat or 2% Greek yogurt
  • 1/2 cup reduced-sodium chicken broth labeled gluten-free
  • 1 tablespoon Dijon mustard labeled gluten-free
  • 2 garlic cloves, minced
  • 1 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon smoked paprika
  • 1 1/2 cups shredded sharp cheddar cheese, divided
  • 1/2 cup finely grated Parmesan cheese
  • 2 tablespoons chopped fresh parsley, plus more for serving

Instructions

  1. Preheat the oven to 375°F (190°C) and lightly grease a 9-by-13-inch baking dish.
  2. Steam or microwave the broccoli for 3 to 4 minutes, until bright green and just crisp-tender. Drain very well and set aside.
  3. Heat the olive oil in a large skillet over medium-high heat. Add the chicken and season with 1/2 teaspoon salt and 1/4 teaspoon black pepper. Cook for 6 to 8 minutes, stirring occasionally, until cooked through. Work in batches if needed to avoid crowding.
  4. Add the cottage cheese, Greek yogurt, chicken broth, Dijon mustard, garlic, garlic powder, onion powder, smoked paprika, remaining 1/2 teaspoon salt, and remaining 1/4 teaspoon black pepper to a blender or food processor. Blend until mostly smooth.
  5. Transfer the cooked chicken and drained broccoli to the prepared baking dish. Pour the blended sauce over the top, then add 1 cup cheddar, the Parmesan, and the parsley. Fold gently until evenly coated.
  6. Spread the mixture into an even layer and sprinkle the remaining 1/2 cup cheddar over the top.
  7. Bake uncovered for 20 to 25 minutes, until the edges are bubbling, the cheese is melted, and the center reaches 165°F. Broil for 1 to 2 minutes at the end if you want more browning.
  8. Let the casserole rest for 8 to 10 minutes before dividing into 8 servings. Garnish with extra parsley if desired.

Notes

  • For frozen broccoli, thaw completely and squeeze out excess moisture before cooking.
  • Do not overcook the chicken in the skillet; the oven step is mainly for heating the assembled casserole and browning the cheese.
  • Use gluten-free-labeled broth, Dijon mustard, and seasonings if you need the finished recipe to remain gluten-free.
  • Refrigerate cooked portions within 2 hours and use within 3 to 4 days. Reheat leftovers to 165°F.
  • Nutrition values are estimates and will vary by brand and portion size.
  • Author: Adam Moretti
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Category: Dinner
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten Free