Quick Creamy Pesto Chicken Pasta Bake
Some evenings, the last thing I want is a sink full of pots and a recipe that demands my undivided attention for an hour. This Creamy Pesto Chicken Pasta Bake was born from precisely those tired Tuesday nights, when I needed something hearty that could come together in the time it took to help with homework. It is my secret weapon for a busy week: one dish, minimal fuss, and leftovers that taste even better the next day.
Recipe Overview
- Prep time: 10 minutes
- Cook time: 25 minutes
- Total time: 35 minutes
- Servings: 6 generous portions
- Difficulty: Easy
Why You’ll Love This Creamy Pesto Chicken Pasta Bake
- One-pot convenience: You boil the pasta, mix everything in one dish, and bake. Fewer dishes mean more time for yourself.
- Budget-friendly ingredients: Most items are pantry staples, and you can swap in leftover roast chicken or rotisserie chicken to save even more time.
- Make-ahead magic: Assemble it the night before, pop it in the fridge, and just bake it when you walk through the door the next evening.
- Crowd-approved for all ages: My children devour this without complaint, and I have served it to guests who asked for the recipe before leaving.
- Endlessly adaptable: Add spinach, swap the chicken for chickpeas, or use gluten-free pasta — the creamy pesto base holds up beautifully.
Ingredients You’ll Need
- 500g dried penne or rigatoni pasta
- 2 tablespoons olive oil
- 500g boneless, skinless chicken breasts, cut into bite-sized chunks
- 1 medium onion, finely chopped
- 3 cloves garlic, minced
- 200ml double cream
- 200ml chicken stock
- 100g basil pesto (shop-bought or homemade)
- 150g grated mozzarella cheese
- 50g grated Parmesan cheese
- 1 tablespoon plain flour
- Salt and freshly ground black pepper, to taste
- Handful of fresh basil leaves, for garnish (optional)
Tip: If you are short on time, use leftover cooked chicken or a rotisserie chicken and skip the browning step. Just shred the meat and stir it into the sauce before baking.
How to Make Creamy Pesto Chicken Pasta Bake
- Preheat your oven to 200°C (fan 180°C / 400°F / Gas Mark 6). Bring a large pot of salted water to a rolling boil. Add the pasta and cook for 2 minutes less than the packet suggests — the pasta should still have a firm, white core when you bite into it. Drain it in a colander and set aside. You will hear the pasta clatter against the colander as it drains.
- While the pasta cooks, heat the olive oil in a large frying pan over a medium-high heat. Add the chicken chunks in a single layer. Do not stir for the first 3 minutes — let the chicken develop a golden-brown crust. You will hear a steady sizzle as the meat sears. Once the underside is deep golden, flip each piece. The cooked side should look caramelised and smell nutty.
- Add the chopped onion to the pan and stir it through the chicken. Cook for 3 minutes until the onion softens and turns translucent. The raw onion smell will fade, and a sweet, savoury aroma will take its place. Add the minced garlic and cook for 30 seconds, just until fragrant — burnt garlic tastes bitter, so keep it brief.
- Sprinkle the flour over the chicken and onions, then stir for 1 minute. This cooks out the raw flour taste and helps thicken the sauce later. The mixture will look slightly pasty and dry — that is exactly what you want.
- Pour in the chicken stock gradually, stirring constantly. The liquid will bubble and steam as it hits the hot pan. Once the stock is fully incorporated, add the double cream and the basil pesto. Stir until the sauce is smooth and a pale, speckled green colour. Let it simmer gently for 2 minutes — you will see the sauce thicken slightly and coat the back of a spoon.
- Add the drained pasta directly into the sauce and stir well with tongs or a pasta fork until every piece is coated. The pasta will look glossy and smell richly of basil and cream. Season with salt and pepper to taste. Transfer the entire mixture to a large baking dish (about 30cm x 20cm).
- Sprinkle the grated mozzarella and Parmesan evenly over the top. Bake in the preheated oven for 15-18 minutes, until the cheese is melted and bubbling with golden-brown spots. The top should be crispy in places and the sauce will be bubbling up around the edges. Let it rest for 5 minutes before serving — this allows the sauce to settle so it does not run all over the plate.
Tips From My Kitchen
- Undercook the pasta intentionally: Because the pasta bakes in the oven, it continues to absorb liquid. If you cook it fully al dente on the hob, it will turn mushy in the oven. Stopping 2 minutes early ensures it stays firm and holds its shape. You will notice the pasta still has a tiny white dot in the centre after draining — that is your cue.
- Use full-fat cream for stability: Low-fat creams or milk can split or curdle under the high oven heat. Double cream gives you a luscious, stable sauce that does not separate. The sauce should look thick and velvety as you stir it — if it looks watery, it may need a minute more simmering.
- Let the chicken rest after browning: If you cut the chicken immediately after searing, the juices run out and the meat dries out. Let it sit in the pan while you add the onion; the residual heat keeps it warm and the juices redistribute. The chicken will feel springy when pressed with a spoon, not hard.
- Grate your own cheese: Pre-shredded cheese often contains anti-caking agents that prevent it from melting smoothly. Grating a block of mozzarella and Parmesan yourself gives you that stretchy, gooey finish. The freshly grated cheese will clump slightly as you sprinkle it, but it melts into a uniform golden blanket.
- Make it ahead without sogginess: Assemble the dish completely up to the baking stage, but do not add the cheese topping until just before baking. Cover the dish with foil and refrigerate for up to 24 hours. When you are ready, add the cheese and bake for an extra 5 minutes to compensate for the cold dish. The sauce should still bubble visibly around the edges after baking.
Equipment You’ll Need
- Large pot for boiling pasta
- Colander for draining
- Large frying pan or skillet
- Tongs or pasta fork for mixing
- Baking dish, approximately 30cm x 20cm
- Sharp knife and chopping board
- Measuring jug for stock and cream
Common Mistakes to Avoid
- Overcrowding the pan when browning chicken: If you add too many chicken pieces at once, the pan temperature drops, and the chicken steams instead of searing. This results in pale, rubbery meat. Cook in two batches if necessary — the pan should sizzle loudly when each piece hits the oil.
- Wrong oven temperature: Baking at too low a temperature dries out the pasta and makes the sauce separate. Too high, and the cheese burns before the centre is hot. Stick to 200°C (fan 180°C) for a perfect balance. The top should be golden and bubbling, not blackened.
- Skipping the rest time after baking: I used to rush this step, and the result was a soupy, loose sauce that pooled on the plate. Letting the dish rest for 5 minutes allows the starches to set and the sauce to thicken. The dish will still be piping hot, but the texture will be much more satisfying.
What to Serve With Creamy Pesto Chicken Pasta Bake
- A crisp green salad dressed with lemon juice and olive oil — the acidity cuts through the richness beautifully.
- Steamed green beans or broccoli tossed with a little butter and garlic.
- Garlic bread or crusty ciabatta for mopping up any leftover sauce from the plate.
- A simple side of roasted cherry tomatoes, which adds a burst of sweetness.
Still hungry for ideas? You might also love Marry Me Chicken Pasta, Make This Rich Creamy Pesto Sauce Pasta Recipe from our sister kitchens.
Frequently Asked Questions
Can I use a different type of pasta?
Absolutely. Penne and rigatoni work best because their ridges and hollow shapes catch the sauce, but fusilli, farfalle, or even macaroni are fine. Just remember to undercook any shape by 2 minutes, as the baking time will finish the cooking. Avoid very delicate pastas like angel hair, which can turn to mush.
Can I make this vegetarian?
Yes, and it is just as satisfying. Omit the chicken and add a 400g tin of drained chickpeas or a handful of halved cherry tomatoes and spinach. You can also stir in some roasted vegetables like courgettes or bell peppers. The creamy pesto sauce binds everything together without needing meat.
How do I store and reheat leftovers?
Leftovers keep well in an airtight container in the fridge for up to 3 days. To reheat, spoon individual portions into a microwave-safe bowl and heat on medium power for 2-3 minutes, stirring halfway. For a crispier top, reheat in the oven at 180°C for 10 minutes. The sauce may thicken as it sits, so add a splash of milk or stock when reheating.
Can I freeze this dish?
Yes, it freezes well. Assemble the dish without the cheese topping, wrap it tightly in cling film and foil, and freeze for up to 3 months. When you are ready, thaw overnight in the fridge, add the cheese, and bake as directed. The texture of the pasta will be slightly softer after freezing, but the flavour remains excellent.
Why did my sauce turn out too thin?
A thin sauce usually means the pasta was not undercooked enough, or the sauce did not simmer long enough to reduce. Next time, let the sauce bubble gently for a full 2 minutes before adding the pasta, and make sure you cook the flour for 1 minute to activate its thickening power. The sauce should coat the back of a spoon before it goes into the oven.
Creamy Pesto Chicken Pasta Bake
A comforting and creamy pasta bake with tender chicken, basil pesto, and a golden cheese crust.
Ingredients
Method
-
Preheat your oven to 200°C (fan 180°C / 400°F / Gas Mark 6). Bring a large pot of salted water to a rolling boil. Add the pasta and cook for 2 minutes less than the packet suggests — the pasta should still have a firm, white core when you bite into it. Drain it in a colander and set aside. You will hear the pasta clatter against the colander as it drains.
-
While the pasta cooks, heat the olive oil in a large frying pan over a medium-high heat. Add the chicken chunks in a single layer. Do not stir for the first 3 minutes — let the chicken develop a golden-brown crust. You will hear a steady sizzle as the meat sears. Once the underside is deep golden, flip each piece. The cooked side should look caramelised and smell nutty.
-
Add the chopped onion to the pan and stir it through the chicken. Cook for 3 minutes until the onion softens and turns translucent. The raw onion smell will fade, and a sweet, savoury aroma will take its place. Add the minced garlic and cook for 30 seconds, just until fragrant — burnt garlic tastes bitter, so keep it brief.
-
Sprinkle the flour over the chicken and onions, then stir for 1 minute. This cooks out the raw flour taste and helps thicken the sauce later. The mixture will look slightly pasty and dry — that is exactly what you want.
-
Pour in the chicken stock gradually, stirring constantly. The liquid will bubble and steam as it hits the hot pan. Once the stock is fully incorporated, add the double cream and the basil pesto. Stir until the sauce is smooth and a pale, speckled green colour. Let it simmer gently for 2 minutes — you will see the sauce thicken slightly and coat the back of a spoon.
-
Add the drained pasta directly into the sauce and stir well with tongs or a pasta fork until every piece is coated. The pasta will look glossy and smell richly of basil and cream. Season with salt and pepper to taste. Transfer the entire mixture to a large baking dish (about 30cm x 20cm).
-
Sprinkle the grated mozzarella and Parmesan evenly over the top. Bake in the preheated oven for 15-18 minutes, until the cheese is melted and bubbling with golden-brown spots. The top should be crispy in places and the sauce will be bubbling up around the edges. Let it rest for 5 minutes before serving — this allows the sauce to settle so it does not run all over the plate.
Notes
For best results, use full-fat double cream and freshly grated Parmesan. Let the dish rest for 5 minutes after baking to allow the sauce to settle.
I hope this Creamy Pesto Chicken Pasta Bake becomes a regular in your weeknight rotation, just as it has in mine. I used to struggle with getting the sauce just right until I discovered the trick of undercooking the pasta, and now it is my go-to recipe when I need something quick but impressive. If you try it, I would love to hear how it turned out — drop a comment below and let me know your favourite twist on it. If you enjoy this kind of quick, creamy pasta, you might also like our Creamy Lemon Pasta Fresh Basil for a lighter citrus option, or the Grilled Chicken Pasta Salad Easy for a no-bake alternative during warmer months. Happy cooking!
