Name: High Protein Chicken and Rice Casserole
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Yield: 6
Ingredients: 2 tablespoons olive oil; 1 medium onion, diced; 3 cloves garlic, minced; 2 medium carrots, peeled and diced; 1 cup frozen peas; 2 cups cooked brown rice; 1 1/2 pounds boneless, skinless chicken breasts, cut into 1-inch cubes; 1 1/2 cups low-sodium chicken broth; 1 cup plain Greek yogurt; 1 cup shredded reduced-fat cheddar cheese; 1/2 cup shredded part-skim mozzarella cheese; 1 teaspoon dried thyme; 1 teaspoon dried oregano; 1/2 teaspoon black pepper; 1/2 teaspoon salt; 1/4 cup chopped fresh parsley

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There’s something about a casserole that just settles the day. I remember the first time I tried this high protein chicken and rice casserole — the kind of evening when everything felt a bit chaotic. The oven was humming, and somewhere between chopping the carrots and stirring the sauce, I realized I’d forgotten to turn off the kitchen timer from earlier. But it didn’t matter because the aromas filling the air were already doing their magic: tender chicken, melted cheese, and earthy herbs mingling with the rice and veggies. When I finally sat down, the warm, creamy bites somehow made the buzz in my head quiet down. It was a simple moment, imperfect and a little rushed, but the kind of comfort that sticks with you.

Why You’ll Love It:

It’s packed with protein and fiber, making it a filling meal that keeps you going.
The creamy cheese sauce and fresh herbs add depth without fuss — it’s simple, and that’s kind of the point.
Vegetables sneak in for some extra color and nutrition, but they don’t overpower the dish.
It’s one of those meals that works well for leftovers, though I usually find it’s best fresh from the oven.

Sometimes casseroles can feel heavy, but this one strikes a nice balance — hearty without being overwhelming.

High Protein Chicken and Rice Casserole

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A hearty and nutritious high protein chicken and rice casserole packed with tender chicken, brown rice, vegetables, and a creamy cheese sauce. Perfect for a wholesome family dinner.

Prep Time: 15 minutes
Cook Time: 45 minutes
Total Time: 1 hour
Yield: 6

Ingredients

Scale

2 tablespoons olive oil
1 medium onion, diced
3 cloves garlic, minced
2 medium carrots, peeled and diced
1 cup frozen peas
2 cups cooked brown rice
1 1/2 pounds boneless, skinless chicken breasts, cut into 1-inch cubes
1 1/2 cups low-sodium chicken broth
1 cup plain Greek yogurt
1 cup shredded reduced-fat cheddar cheese
1/2 cup shredded part-skim mozzarella cheese
1 teaspoon dried thyme
1 teaspoon dried oregano
1/2 teaspoon black pepper
1/2 teaspoon salt
1/4 cup chopped fresh parsley

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Instructions

Preheat the oven to 375°F (190°C).
Heat olive oil in a large skillet over medium heat.
Add diced onion and cook for 3-4 minutes until translucent.
Add minced garlic and diced carrots to the skillet and cook for another 3 minutes, stirring occasionally.
Add the cubed chicken breasts to the skillet and cook until the chicken is no longer pink on the outside, about 5-6 minutes.
Stir in the frozen peas, cooked brown rice, dried thyme, dried oregano, black pepper, and salt. Cook for 2 minutes to combine the flavors.
In a separate bowl, whisk together the chicken broth and Greek yogurt until smooth.
Pour the broth and yogurt mixture over the chicken and rice mixture in the skillet and stir well to combine.
Transfer the entire mixture to a 9×13-inch baking dish and spread evenly.
Sprinkle shredded cheddar cheese and mozzarella cheese evenly over the top.
Cover the baking dish with aluminum foil and bake in the preheated oven for 25 minutes.
Remove the foil and bake for an additional 10-15 minutes, or until the cheese is melted and bubbly.
Remove from the oven and let the casserole rest for 5 minutes.
Garnish with chopped fresh parsley before serving.

Kitchen Notes: You don’t need anything fancy to pull this together — just a good skillet and a baking dish. I like to serve it alongside a crisp green salad or some roasted veggies when I want a little extra crunch. If you’re feeling adventurous, swapping out the cheddar for a milder cheese or adding a pinch of smoked paprika can give it a subtle twist. I haven’t tested all variations, but a handful of spinach stirred in before baking could be a nice way to boost the greens without changing the texture much.

FAQ:

Can I use white rice instead of brown? Yes, although brown rice adds nuttiness and more fiber. Just adjust cooking times if using uncooked rice.

Is Greek yogurt necessary? It adds creaminess and protein, but sour cream or a cream cheese alternative might work if you’re out.

Can this be made ahead? Definitely. Prepare it, cover, and refrigerate before baking. Just add a few extra minutes to the bake time if going straight from the fridge.

Give this dish a try when you want something that feels like a warm hug on a plate. Save it for your next cozy night in and see how it fits into your rotation.