A pasta bake that actually stays creamy instead of drying out in the oven is worth knowing about. This creamy pesto chicken pasta bake gets there by poaching the raw chicken directly in the sauce as everything bakes together, which keeps the meat tender and lets the pesto and cream absorb into every piece of pasta.
The flavor combination is straightforward and reliable. Basil pesto brings herbal brightness, the heavy cream rounds out the sharpness, and the mozzarella on top goes golden and bubbly in the oven. It’s an easy dinner that looks and tastes like significantly more effort than it takes.
At 40 minutes from start to finish, it fits comfortably into a weeknight schedule. It also scales well and reheats beautifully, making it a solid choice for feeding a crowd or building a few days of lunches.
Why You’ll Love This One-Pan Creamy Pesto Chicken & Mozzarella Bake
The chicken goes in raw, which sounds counterintuitive for a pasta bake, but it’s actually what makes this recipe work. The pieces cook gently in the creamy pesto sauce over 20 to 25 minutes and come out tender rather than dry, which is the common pitfall when pre-cooked chicken gets baked a second time.
The pasta is intentionally undercooked before it goes into the dish, which gives it room to absorb the sauce in the oven without turning soft. The result is pasta that holds its shape but carries the full flavor of the pesto cream all the way through.
Mozzarella and Parmesan on top create two different textural and flavor effects. The mozzarella melts into a stretchy, creamy layer, while the Parmesan crisps at the edges and adds a salty, nutty finish. The optional cherry tomatoes scattered over the top add a hit of acidity that cuts through the richness.
Ingredients for One-Pan Creamy Pesto Chicken & Mozzarella Bake
I always use a good-quality store-bought pesto here rather than making it from scratch on a weeknight. Costco’s Kirkland basil pesto and Rana refrigerated pesto are both consistently strong options with a clean, bright flavor that doesn’t taste flat after baking.
The Base:
- 1 lb boneless, skinless chicken breasts, cut into bite-sized pieces
- 12 oz pasta (penne, rotini, or fusilli)
The Creamy Pesto Sauce:
- 1 cup heavy cream or half-and-half
- 1/2 cup basil pesto
- 1/2 cup chicken broth
- 2 cloves garlic, minced
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
The Cheese Layer:
- 1.5 cups shredded mozzarella cheese
- 1/4 cup grated Parmesan cheese
Garnish:
- Fresh basil leaves
- Halved cherry tomatoes (optional)
For the pasta shape, I go with penne or rotini over smoother shapes. The ridges and tubes trap the pesto cream sauce and hold it as the pasta absorbs liquid in the oven. A smooth rigatoni or farfalle won’t carry as much sauce per bite.
For the cream, heavy cream gives you the richest, most stable sauce. Half-and-half works and keeps things lighter, but the sauce will be slightly thinner. If you go the lighter route with whole milk and a tablespoon of cornstarch, whisk the cornstarch in thoroughly before adding it to the dish to prevent any lumps. For the cheese, freshly shredded mozzarella melts more evenly than pre-shredded, which often has anti-caking agents that affect the final texture.
How to Make Creamy Pesto Chicken Pasta Bake
The key in this recipe is timing the pasta cook correctly before it goes into the oven. I find pulling it out 2 to 3 minutes before the package’s recommended time is the right window. It should feel noticeably firm when you bite into it, almost underdone.
- Bring a large pot of well-salted water to a boil. Cook the pasta for 2 to 3 minutes less than the package directions. It should be firm with a visible white center when you bite through it. Drain and set aside without rinsing.
- Preheat the oven to 375 degrees F (190 degrees C). Lightly grease a 9×13-inch baking dish with olive oil or cooking spray.
- In a medium bowl, whisk together the heavy cream, pesto, chicken broth, minced garlic, salt, and pepper until the pesto is fully incorporated and the sauce is smooth.
- Add the drained pasta and raw chicken pieces to the baking dish. Pour the pesto cream sauce over everything and toss until the chicken and pasta are fully coated. Spread into an even layer so the chicken pieces aren’t clustered together, which helps them cook evenly.
- Sprinkle the shredded mozzarella in an even layer over the top, followed by the grated Parmesan. If you’re using cherry tomatoes, scatter them cut-side up over the cheese layer.
- Bake uncovered for 20 to 25 minutes. The dish is ready when the cheese is golden and bubbling at the edges and the chicken reads 165 degrees F on an instant-read thermometer. If the cheese is browning faster than the chicken is cooking through, tent loosely with foil for the final 5 minutes.
- Remove from the oven and let the bake rest for 5 minutes before serving. This short rest allows the sauce to tighten slightly so it doesn’t run when you scoop it.
Pro tip: After resting, the sauce will look thick and creamy rather than loose. If it seems too thick for your preference, stir in a small splash of warm chicken broth right before serving.
What to Serve with Creamy Pesto Chicken Pasta Bake
Rich, creamy pasta bakes call for sides that add contrast in texture and acidity.
Arugula Salad with Lemon Vinaigrette: Peppery arugula dressed with fresh lemon juice, olive oil, and a pinch of salt is the most natural pairing for pesto-based dishes. The bitterness and acidity cut right through the cream sauce.
Garlic Bread: A crusty loaf with garlic butter, toasted alongside the bake for the last 10 minutes, is ideal for scooping up any extra sauce left in the dish.
Roasted Asparagus: Toss spears with olive oil, salt, and pepper and roast at 400 degrees F for 12 to 15 minutes. The slight char and vegetal flavor pair cleanly with the herby pesto.
Caprese Salad: Sliced fresh tomatoes, fresh mozzarella, and basil with a drizzle of balsamic glaze echoes the flavors in the bake and keeps the Italian profile consistent throughout the meal.
Sauteed Spinach: A quick two-minute saute with olive oil and garlic adds greens to the plate without much effort and complements the basil-forward flavors of the dish.
Pro Tips & Variations
Add greens directly to the bake. Stir a large handful of baby spinach into the pasta and sauce mixture before it goes into the dish. It wilts during baking and adds color and nutrition without changing the flavor.
Use whole-wheat pasta. It holds up slightly better than regular pasta in baked dishes and adds a nuttier flavor that works well with the pesto.
Swap the protein. Bone-in chicken thighs work here if you adjust the cook time to 30 to 35 minutes. They stay even more tender than chicken breast. Shrimp is another option but should be stirred in during the last 8 minutes of baking to avoid overcooking.
Make it ahead. Assemble the entire dish, cover tightly with foil, and refrigerate for up to 24 hours before baking. Add 5 to 8 minutes to the baking time since it’s going in cold. The pasta will absorb more sauce overnight, so add an extra splash of broth to the dish before it goes in.
Broil the top. After the cheese is fully melted, switch the oven to broil for 2 to 3 minutes for a more golden, slightly crisp cheese top.
Storage & Reheating Tips
Store leftovers in an airtight container in the refrigerator for up to 3 days. The sauce holds well because the cream base doesn’t separate the way a lighter sauce might after refrigeration.
To reheat, add portions to a skillet over medium-low heat with a splash of chicken broth or cream, stirring gently until warmed through. The oven also works well: cover the dish with foil and reheat at 350 degrees F for 15 minutes. I find the stovetop method gives better results for individual portions, while the oven is more practical for reheating the whole dish.
For meal prep, this divides cleanly into four to six portions and travels well in glass containers. The pasta doesn’t turn mushy overnight because of the initial undercooking step.
Common Questions
How do I know when the chicken is cooked through? A: An instant-read thermometer inserted into the thickest piece should read 165 degrees F. If you don’t have a thermometer, cut into the largest piece at the 20-minute mark. It should be white all the way through with no translucent pink areas remaining.
Can I use frozen chicken? A: It’s best to thaw completely before using. Frozen chicken releases a significant amount of water as it bakes, which dilutes the sauce and makes it difficult to achieve the right consistency. Thawing overnight in the refrigerator takes care of this.
My sauce looks thin when it comes out of the oven. What happened? A: This usually means the pasta was cooked too close to al dente before baking and didn’t absorb enough liquid, or the dish wasn’t rested long enough. Let it sit for a full 5 minutes after baking. The sauce continues to tighten as it cools slightly and will look significantly creamier by the time you serve it.
This creamy pesto chicken pasta bake is the kind of recipe that earns a spot in your regular dinner lineup quickly. It’s straightforward enough for a Tuesday night and presentable enough to set in front of guests without a second thought. Give it a try and see how fast it disappears from the table.
One-Pan Creamy Pesto Chicken & Mozzarella Bake
Ingredients
Equipment
Method
- Bring a large pot of well-salted water to a boil. Cook the pasta for 2 to 3 minutes less than the package directions until firm with a visible white center. Drain and set aside without rinsing.
- Preheat the oven to 375 degrees F (190 degrees C). Lightly grease a 9×13-inch baking dish with olive oil or cooking spray.
- In a medium bowl, whisk together the heavy cream, basil pesto, chicken broth, minced garlic, salt, and pepper until smooth and fully combined.
- Add the drained pasta and raw chicken pieces to the baking dish. Pour the pesto cream sauce over everything and toss to coat evenly. Spread into a single even layer.
- Sprinkle the shredded mozzarella evenly over the top, followed by the grated Parmesan. Scatter halved cherry tomatoes over the cheese if using.
- Bake uncovered for 20 to 25 minutes until the cheese is golden and bubbling at the edges and the chicken reads 165 degrees F on an instant-read thermometer. Tent with foil if the cheese browns before the chicken is done.
- Remove from the oven and let the bake rest for 5 minutes before serving. Garnish with fresh basil leaves and serve hot.
