You know those nights when you’re staring into the fridge, willing dinner to magically appear? That’s how my love affair with Chicken Pesto Pasta Bake began. One chaotic Wednesday, I threw together leftover chicken, half a jar of pesto, and whatever pasta was in the pantry – and boom! My family declared it an instant favorite. This recipe turns basic ingredients into something special with minimal effort. The pesto keeps the chicken juicy, the cheese gets all bubbly, and the whole thing comes together faster than takeout. It’s become our go-to when we need comfort food without the fuss.

Table of Contents
Table of Contents
Why You’ll Love This Chicken Pesto Pasta Bake
Trust me, this isn’t just another pasta dish – it’s the kind of meal that makes you do a little happy dance when you pull it out of the oven. Here’s why it’s become my weeknight hero:
- Crazy easy: You probably have most ingredients already, and it comes together in about 40 minutes (including oven time!)
- Flavor bomb: The pesto gives it that herby punch while the melted mozzarella adds creamy richness
- Total crowd-pleaser: My picky kids and foodie friends all go back for seconds
- Endlessly adaptable: Toss in whatever veggies you’ve got or swap proteins – it’s impossible to mess up
Seriously, this bake is like a warm hug in casserole form. If you enjoy easy comfort food like this, you might also like our Cheesy Chicken Broccoli Rice Bake.
Chicken Pesto Pasta Bake Ingredients
Here’s what you’ll need to make this simple yet flavorful dish:
- 16 oz penne rigate pasta (or any short pasta you love)
- 2 lbs chicken breasts, cooked and chopped into bite-sized pieces
- 1 tablespoon olive oil for cooking the chicken
- ¾ cup pesto sauce (homemade or store-bought – no judgment here!)
- 2 cups shredded mozzarella (because more cheese is always better)
For seasoning the chicken:
- ½ teaspoon garlic powder
- 1 teaspoon oregano
- ¼ teaspoon salt
- ¼ teaspoon black pepper

Ingredient Notes & Substitutions
This recipe is super flexible! Try chicken thighs for richer flavor, or use rotisserie chicken when you’re short on time. Gluten-free pasta works perfectly here. For dairy-free folks, nutritional yeast makes a great cheese substitute. And if you’re feeling fancy, stir in some sun-dried tomatoes or spinach before baking.
How to Make Chicken Pesto Pasta Bake
Okay, let’s get cooking! This comes together so fast you’ll barely have time to pour yourself a glass of wine (but do that anyway). Here’s how I make it:
- Preheat your oven to 400°F – this gives it time to get nice and hot while you prep everything else.
- Cook the pasta in a big pot of salted water until al dente (about 1 minute less than package says – it’ll keep cooking in the oven). Drain it but don’t rinse – we want that starch to help the sauce cling!
- While the pasta cooks, heat olive oil in a large pan over medium heat. Add your chopped chicken and sprinkle with garlic powder, oregano, salt, and pepper. Cook until no pink remains, about 6-8 minutes.
- Toss everything together in the empty pasta pot – the drained noodles, cooked chicken, and pesto. Stir until every piece is coated in that gorgeous green sauce.
- Transfer to a greased 9×13 dish and top with all that glorious mozzarella. The cheese should completely cover the top like a cozy blanket.
- Bake for 10-15 minutes until the cheese is melted and bubbly with golden spots. If you’re feeling extra, broil for the last minute to get those perfect crispy edges!
Pro Tips for the Best Chicken Pesto Pasta Bake
After making this dozens of times (no exaggeration), here are my secrets for perfection:
- Undercook your pasta slightly – it’ll absorb sauce and finish cooking in the oven without getting mushy
- Let it rest 5 minutes after baking – this helps the sauce thicken up so it doesn’t run everywhere
- Use room temp pesto – cold pesto straight from the fridge makes it harder to mix evenly
- Broil at the end if you love crispy cheese – just watch closely so it doesn’t burn!
- Double the recipe – it reheats beautifully and makes amazing leftovers
Irresistible Chicken Pesto Pasta Bake in 40 Minutes
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Total Time: 40 minutes
- Yield: 6 servings 1x
- Category: Dinner
- Method: Baked
- Cuisine: Italian
- Diet: Low Lactose
Description
A simple and flavorful chicken pesto pasta bake with tender chicken, pesto sauce, and melted mozzarella cheese.
Ingredients
- 16 oz penne rigate pasta
- 2 lbs chicken breasts, cooked and chopped into bite-sized pieces
- 1 tablespoon olive oil
- ½ teaspoon garlic powder
- 1 teaspoon oregano
- ¼ teaspoon salt
- ¼ teaspoon black pepper
- ¾ cup pesto sauce
- 2 cups shredded mozzarella
Instructions
- Cook a 16 oz box of penne rigate in a large pot according to package directions.
- While the pasta is cooking, heat olive oil in a large frying pan and cook the chicken pieces until fully cooked.
- Preheat the oven to 400°F.
- Drain the cooked pasta and return it to the pot. Add the cooked chicken, pesto sauce, salt, pepper, and garlic powder. Stir well to combine.
- Transfer the mixture into a greased 9×13-inch casserole dish.
- Top with shredded mozzarella cheese.
- Bake in the preheated oven for 10-15 minutes until the cheese is melted.
Notes
- Use fresh pesto for the best flavor.
- You can substitute chicken thighs for a richer taste.
- For extra crispiness, broil for 1-2 minutes after baking.
Nutrition
- Serving Size: 1 serving
- Calories: 480
- Sugar: 2g
- Sodium: 620mg
- Fat: 18g
- Saturated Fat: 6g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 3g
- Protein: 35g
- Cholesterol: 90mg
Serving Suggestions for Chicken Pesto Pasta Bake
This bake stands proud on its own, but I love serving it with garlic bread to scoop up every last cheesy bite. A simple arugula salad with lemon dressing cuts through the richness perfectly. For wine lovers, a crisp Pinot Grigio makes everything taste even better – trust me, it’s magic with the pesto! If you want more dinner ideas, check out our full collection of recipes.
Storing and Reheating Your Chicken Pesto Pasta Bake
Here’s the beautiful thing about this bake – it might be even better as leftovers! Store cooled leftovers in an airtight container in the fridge for up to 3 days. For longer storage, freeze individual portions for up to 1 month (just thaw overnight in the fridge). When reheating, skip the microwave unless you love soggy pasta – instead, warm it in a 350°F oven until heated through. Pro tip: sprinkle a little extra cheese on top before reheating to revive that fresh-baked magic!

Chicken Pesto Pasta Bake FAQs
I get asked about this recipe all the time – here are the answers to the most common questions that pop up in my kitchen (and probably yours too!):
- “Can I use frozen chicken?” Absolutely! Just thaw it completely first – I like to leave mine in the fridge overnight. Cooking frozen chicken directly leads to uneven doneness and watery sauce (learned that the hard way!).
- “What veggies can I add?” Oh, let me count the ways! Spinach wilts beautifully when stirred in raw before baking. Sun-dried tomatoes add fantastic tang. My kids actually eat broccoli when I roast it first and mix it in. The rule? Keep additions to about 2 cups max so the pasta doesn’t get crowded.
- “How do I know when it’s done baking?” Watch for melted, bubbly cheese with golden spots (about 10-15 minutes at 400°F). The edges should be slightly crispy. If your oven runs hot like mine sometimes does, check at 8 minutes just to be safe.
- “Can I make this ahead?” You bet! Assemble everything (minus the cheese topping), cover tightly, and refrigerate for up to 24 hours. When ready, add the cheese and bake – you might need an extra 5 minutes since it’s starting cold.
- “What if I don’t have penne?” Any short pasta works – rigatoni, fusilli, even farfalle. Just avoid long noodles like spaghetti (they don’t scoop as nicely). My secret? Sometimes I use those fun colored veggie pastas to sneak in extra nutrition!

Nutritional Information
Here’s the scoop on what’s in each serving (but remember – values are estimates and will vary based on your exact ingredients):
- Calories: 480
- Protein: 35g
- Carbs: 45g
- Fiber: 3g
Not too shabby for something that tastes this indulgent! The chicken packs serious protein while the pesto brings healthy fats from olive oil and nuts. If you enjoy sharing your cooking adventures, feel free to connect with us on Facebook!