Pesto Chicken Pasta Bake

The rain was hammering against the kitchen window the evening this dish saved my Tuesday. I had two tired chicken breasts sitting in the fridge, a half empty jar of pesto, and zero desire to cook anything complicated. What came out of the oven forty minutes later was so absurdly comforting that my partner actually paused the show wed been binging just to say wow. Sometimes the laziest dinners turn out to be the ones you crave all season.

I brought this to a potluck at my friends place last fall and watched three people go back for seconds before I even got a plate. The dish came home completely scraped clean, and I got two text messages that night asking for the recipe.

Ingredients

• Penne or rigatoni (350 g): The ridges on rigatoni are ideal here because they grab onto every bit of that creamy pesto sauce.
• Boneless skinless chicken breasts (2, about 300 g): Dice them small so they cook quickly and distribute evenly through the bake.
• Basil pesto (180 ml): Store bought is perfectly fine, but if your pesto has been sitting in the fridge a while, give it a stir before measuring.
• Heavy cream (150 ml): This is what transforms pesto from a condiment into something that coats like a proper sauce.
• Milk (50 ml): Just enough to loosen the mixture so it bakes evenly without drying out.
• Mozzarella cheese (120 g, shredded): Split it, half mixed in, half on top, for that stretchy golden lid everyone fights over.
• Parmesan cheese (30 g, grated): A little goes a long way and adds the salty depth that mozzarella alone cannot.
• Olive oil (1 tbsp): For searing the chicken with a nice golden crust.
• Salt and pepper: Season the chicken boldly and taste the mixture before it goes into the oven.
• Cherry tomatoes (100 g, optional): They burst during baking and create these gorgeous little pockets of acidity.
• Baby spinach (75 g, optional): Stir it in raw and it wilts perfectly in the oven, adding color without any extra work.

Instructions

Get the oven hot:

Preheat to 200 degrees Celsius (400 degrees Fahrenheit) and grease your baking dish with a little butter or oil so nothing sticks.

Cook the pasta al dente:

Boil the pasta in well salted water until just barely done because it will cook a little more in the oven and you do not want mush.

Sear the chicken:

Heat olive oil in a skillet over medium high heat, add the diced chicken with salt and pepper, and let it sit undisturbed for a minute so it actually gets golden before stirring.

Bring it all together:

In a big bowl, toss the drained pasta with the cooked chicken, pesto, cream, milk, half the mozzarella, and any optional add ins until everything is evenly coated and smells incredible.

Build the bake:

Spread the mixture into your prepared dish, scatter the remaining mozzarella and all the Parmesan on top, and make sure it reaches the edges for maximum crispy bits.

Bake until bubbly:

Slide it into the oven for about 20 minutes until the cheese is melted, bubbling, and has those irresistible golden brown spots across the top.

Rest and serve:

Let it sit for five minutes before scooping so the sauce has a moment to settle and you do not burn your tongue on the first eager bite.

Pin It

There is something about pulling a bubbling dish of pasta from the oven that makes a regular weeknight feel like an occasion. It is the kind of meal that makes everyone linger at the table a little longer.

Making It Your Own

A rotisserie chicken from the deli turns this into a fifteen minute assembly job, which I discovered on a night when cooking felt like climbing a mountain. Sun dried tomatoes chopped and tossed in add a tangy sweetness that plays beautifully off the creamy sauce.

What to Serve Alongside

A simple arugula salad with lemon juice and olive oil cuts through the richness better than anything else I have tried. A glass of Pinot Grigio or Sauvignon Blanc on the side makes it feel like you put in way more effort than you did.

Storage and Reheating

Leftovers keep beautifully in an airtight container in the fridge for up to three days and reheat in the microwave with a splash of milk to bring the sauce back to life. I have also frozen individual portions for emergency dinners and they thaw surprisingly well with no weird texture changes.

• Cover the dish tightly with foil if you are storing it whole in the fridge.
• Reheat in the oven at 180 degrees Celsius for about 15 minutes rather than the microwave if you want the top to crisp again.
• Do not skip the splash of milk when reheating because the sauce tightens up as it sits.

Pin It

This is the kind of recipe that earns a permanent spot in your rotation, the one you reach for when comfort is the priority and effort is not. Share it generously, because it deserves to be someones else favorite Tuesday dinner too.

Recipe Questions & Answers

→ Can I use rotisserie chicken instead of raw chicken?

Yes, shredded rotisserie chicken works perfectly and cuts down on prep time. Simply stir it in with the cooked pasta and sauce before transferring to the baking dish.

→ What type of pasta works best for this bake?

Short, sturdy shapes like penne or rigatoni are ideal because they hold the creamy sauce well and maintain their texture during baking. Avoid delicate pastas like angel hair.

→ Can I make this ahead of time?

Absolutely. Assemble the entire dish, cover tightly, and refrigerate for up to 24 hours before baking. You may need to add 5–10 extra minutes in the oven if baking straight from the refrigerator.

→ How do I store and reheat leftovers?

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat individual portions in the microwave, or warm the whole dish in the oven at 180°C (350°F) until heated through.

→ Can I substitute the heavy cream for a lighter option?

Yes, you can swap heavy cream for light cream or plain Greek yogurt. Keep in mind the sauce may be slightly less rich, but it will still be delicious and lower in calories.

→ Is homemade pesto better than store-bought for this dish?

Both work wonderfully. Homemade pesto offers fresher, more vibrant flavor, while a good quality store-bought pesto saves time and still delivers great results in this baked dish.