Chicken Ranch Pasta Bake

Featured in: Weekend Gentle-Flavored Treats

This comforting one-dish meal combines cooked chicken breast with penne pasta in a smooth ranch sauce made from ranch dressing, sour cream, and milk. Mixed with mozzarella cheese and baked until bubbly, it delivers rich, savory flavors with minimal hands-on time.

Perfect for weeknight dinners, it comes together in just 45 minutes. Customize with bacon bits, mushrooms, or switch to rotisserie chicken for convenience. The dish serves four and pairs well with a fresh salad or garlic bread.

Updated on Sun, 18 Jan 2026 15:08:00 GMT
Golden-brown Chicken Ranch Pasta Bake with melted mozzarella and fresh chives, served from a 9x13 inch casserole dish. Pin it
Golden-brown Chicken Ranch Pasta Bake with melted mozzarella and fresh chives, served from a 9x13 inch casserole dish. | plumcrescent.com

My neighbor knocked on my door one Tuesday evening holding an empty casserole dish and asked what I'd made that smelled so good. I hadn't realized the scent of baking cheese and herbs had drifted across the hallway. That's how this chicken ranch pasta bake announces itself, warm and impossible to ignore. It's the kind of dinner that fills the kitchen with comfort before you even take a bite.

I made this the first time my sister came over with her kids after a long day at work. We needed something fast but filling, and I didn't want to serve anything boring. The kids scraped their plates clean and asked if we could have it again on Friday. My sister looked at me like I'd pulled off a miracle, but really, the recipe did all the work.

Ingredients

  • Penne pasta: The ridges and tubes catch the creamy sauce perfectly, so every bite is fully coated and satisfying.
  • Cooked chicken breast: Rotisserie chicken works beautifully here and saves you time, though leftover grilled or baked chicken is just as good.
  • Ranch dressing: This is the flavor backbone of the dish, bringing tangy herbs and creaminess that makes the sauce unforgettable.
  • Sour cream: It adds richness and a slight tang that balances the ranch without making the sauce too heavy.
  • Whole milk: Thins the sauce just enough so it coats the pasta instead of clumping, creating a silky texture.
  • Garlic powder and onion powder: These bring savory depth without the need to chop anything, perfect for a quick weeknight meal.
  • Black pepper, dried parsley, and dried dill: They add subtle herby notes that make the dish taste thoughtful and layered.
  • Shredded mozzarella cheese: Melts into gooey, golden perfection on top and throughout the pasta.
  • Grated parmesan cheese: Optional but recommended, it creates a slightly crispy, nutty top layer that adds texture.
  • Fresh chives or green onions: A bright pop of color and freshness that makes the finished dish look restaurant worthy.

Instructions

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Prep the oven and dish:
Preheat your oven to 200 degrees Celsius and grease your baking dish so nothing sticks. This step sets you up for an easy cleanup later.
Cook the pasta:
Boil the penne in salted water until it still has a slight bite, then drain it well. Undercooking it slightly prevents mushiness once it bakes in the sauce.
Make the ranch sauce:
Whisk the ranch dressing, sour cream, milk, and all the seasonings together until smooth and creamy. Taste it now, this is your chance to adjust the pepper or herbs if you like.
Combine pasta and chicken:
Toss the drained pasta and chicken into the sauce, stirring until every piece is evenly coated. The pasta should look glossy and creamy.
Fold in the cheese:
Stir in most of the mozzarella, saving some for the top. This creates pockets of melted cheese throughout the dish.
Transfer to the baking dish:
Spread the mixture evenly in your greased dish and sprinkle the remaining mozzarella and parmesan on top. The cheese layer will become golden and bubbly as it bakes.
Bake until golden:
Slide the dish into the oven and bake for 20 to 25 minutes, watching for that perfect golden brown top. The edges will bubble and crisp slightly.
Rest and garnish:
Let the bake sit for five minutes before serving so the sauce thickens just a bit. Scatter fresh chives or green onions over the top for color and a hint of sharpness.
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A hearty serving of Chicken Ranch Pasta Bake featuring tender chicken, creamy ranch sauce, and bubbly cheese topping. Pin it
A hearty serving of Chicken Ranch Pasta Bake featuring tender chicken, creamy ranch sauce, and bubbly cheese topping. | plumcrescent.com

One evening I added crumbled bacon on top before baking, and my husband declared it the best version yet. Now he asks for bacon every time, and honestly, I don't argue. It's become our little tradition, a small twist that makes the dish feel special even on the most ordinary Wednesday.

Making It Your Own

You can stir in sauteed mushrooms or spinach for extra vegetables, or swap half the mozzarella for sharp cheddar if you want a bolder cheese flavor. I've also added a pinch of red pepper flakes when I want a gentle kick. The base is forgiving, so feel free to use what you have on hand or what your family loves most.

Storage and Reheating

This bake keeps well in the fridge for up to three days, covered tightly. Reheat individual portions in the microwave or warm the whole dish in a low oven until heated through. I sometimes add a splash of milk before reheating to bring back the creamy texture, though it's rarely necessary.

Serving Suggestions

A simple green salad with a tangy vinaigrette balances the richness beautifully, and garlic bread is always a hit for soaking up any extra sauce. I've served this at potlucks and it disappears fast, people love that it's hearty but not heavy.

  • Add a handful of cherry tomatoes on the side for a pop of freshness.
  • Serve with steamed broccoli or roasted green beans for a complete meal.
  • Pair with a crisp white wine or iced tea for a relaxed dinner vibe.
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Close-up of Chicken Ranch Pasta Bake with golden edges, garnished with green onions and ready to serve. Pin it
Close-up of Chicken Ranch Pasta Bake with golden edges, garnished with green onions and ready to serve. | plumcrescent.com

This dish has become my answer to hectic evenings when I want something homemade without the fuss. It's reliable, cozy, and always welcomed at the table.

Recipe Questions & Answers

Can I prepare this casserole in advance?

Yes, you can assemble the entire dish up to 24 hours ahead. Cover with foil and refrigerate, then bake when ready. You may need to add 5-10 minutes to the baking time if cooking from cold.

What's the best way to cook the chicken?

Poach chicken breasts in simmering water for about 15 minutes until cooked through, or use rotisserie chicken for convenience. Diced or shredded chicken both work well in this dish.

Can I use different pasta shapes?

Absolutely. Rigatoni, rotini, or bow tie pasta all work wonderfully. Just ensure whatever you choose is cooked to al dente before mixing with the sauce.

How do I prevent the cheese from drying out?

Don't overbake the dish. Check for a golden, melted cheese top around 20-25 minutes. The residual heat will continue cooking it after removal from the oven.

Is there a gluten-free version?

Yes, substitute gluten-free penne pasta and verify that all packaged ingredients, especially ranch dressing, are certified gluten-free to avoid cross-contamination.

What variations would enhance the flavor?

Try adding crispy bacon bits, sautéed mushrooms, caramelized onions, or fresh herbs. A blend of cheddar and mozzarella creates a richer cheese flavor than mozzarella alone.

Chicken Ranch Pasta Bake

A creamy casserole with tender chicken, penne pasta, ranch sauce, and bubbly mozzarella cheese baked to golden perfection.

Prep time
15 minutes
Time to cook
30 minutes
Overall time
45 minutes
Created by Avery Hayes


Skill level Easy

Cuisine type American

Total made 4 Portions

Dietary details None specified

Ingredient list

Pasta & Chicken

01 10 oz penne pasta
02 2 cups cooked chicken breast, diced or shredded

Sauce

01 1 cup ranch dressing
02 1 cup sour cream
03 1/2 cup whole milk
04 1/2 teaspoon garlic powder
05 1/2 teaspoon onion powder
06 1/4 teaspoon black pepper
07 1/2 teaspoon dried parsley
08 1/2 teaspoon dried dill

Cheese

01 2 cups shredded mozzarella cheese
02 1/2 cup grated parmesan cheese, optional for topping

Garnish

01 2 tablespoons chopped fresh chives or green onions, optional

How-to

Step 01

Prepare Baking Dish and Preheat Oven: Preheat oven to 400°F. Lightly grease a 9x13 inch baking dish and set aside.

Step 02

Cook Pasta: Bring a large pot of salted water to boil. Add penne pasta and cook until al dente according to package directions. Drain and reserve.

Step 03

Prepare Ranch Sauce: In a large mixing bowl, whisk together ranch dressing, sour cream, milk, garlic powder, onion powder, black pepper, dried parsley, and dried dill until fully combined and smooth.

Step 04

Combine Pasta and Chicken with Sauce: Add cooked pasta and chicken to the sauce mixture. Stir thoroughly to ensure all pasta and chicken pieces are evenly coated.

Step 05

Fold in Mozzarella: Gently fold 1.5 cups of shredded mozzarella cheese into the pasta mixture until well distributed.

Step 06

Transfer to Baking Dish: Pour the pasta mixture into the prepared baking dish. Spread evenly and top with remaining mozzarella cheese and parmesan cheese if using.

Step 07

Bake Until Golden: Bake for 20 to 25 minutes until cheese is melted and bubbly with a golden brown top.

Step 08

Rest and Serve: Remove from oven and allow to rest for 5 minutes. Garnish with fresh chives or green onions if desired before serving.

Tools Needed

  • Large pot for pasta cooking
  • Colander for draining pasta
  • Large mixing bowl
  • Whisk for sauce preparation
  • 9x13 inch baking dish
  • Standard kitchen oven

Allergy warnings

Review all ingredients for allergy risks and speak with your healthcare provider if you're concerned.
  • Contains wheat from pasta
  • Contains milk from cheese, sour cream, and ranch dressing
  • Ranch dressing may contain eggs and additional allergens; verify product labels if sensitivity present

Nutrition details (per portion)

These details are for reference and shouldn't replace healthcare advice.
  • Calorie count: 620
  • Fat content: 32 grams
  • Carbohydrates: 49 grams
  • Proteins: 36 grams