Save to Pinterest One weeknight, I was standing in front of my pantry feeling uninspired when a jar of pesto caught my eye, and suddenly I wondered what would happen if I stopped thinking of chili mac as strictly Americana and let Italian flavors crash the party. That experiment turned into this dish, and now it's the one people ask me to make without fail. There's something about the way pesto swirls into creamy mozzarella that makes you forget you're eating something so simple.
I made this for my sister on a cold March evening when she needed comfort food but wanted something different from the usual suspects, and watching her twirl her fork through that creamy, herbaceous sauce was worth every minute of prep. She asked for the recipe immediately, which is how I knew I'd stumbled onto something special.
Ingredients
- Boneless, skinless chicken breast or thighs (1 lb): Thighs stay juicier than breast meat, but either works beautifully here; just cut them into bite-sized pieces so they cook evenly.
- Elbow macaroni (8 oz): Short pasta shapes work best because they hold onto the pesto-cream sauce instead of sliding off.
- Yellow onion (1 medium, diced): This builds the flavor foundation, so don't skip the step of letting it soften properly.
- Garlic (2 cloves, minced): Fresh garlic makes all the difference; jarred just won't deliver the same brightness.
- Sun-dried tomatoes (1/2 cup): The ones packed in oil add richness and concentrated tomato flavor that regular canned tomatoes can't match.
- Diced tomatoes (1 can, 15 oz): These provide the body of the sauce and play beautifully with the pesto's herbal notes.
- Shredded mozzarella cheese (1 cup): Use whole milk mozzarella if you can find it; it melts more luxuriously than low-fat versions.
- Grated Parmesan cheese (1/4 cup): This adds a sharp, salty complexity that balances the sweet pesto.
- Basil pesto (1/3 cup): Homemade tastes incredible if you have time, but good store-bought pesto is absolutely reliable and honest.
- Chicken broth (2 cups): Use low-sodium so you can control the saltiness as you go.
- Dried oregano (1/2 tsp): This ties the Italian flavors together without overpowering anything.
- Crushed red pepper flakes (1/4 tsp, optional): A whisper of heat wakes up all the other flavors.
- Olive oil (2 tbsp): Use a decent quality oil; you'll taste it in the chicken's golden crust.
- Salt and freshly ground black pepper: Taste as you go because the cheeses and pesto add their own saltiness.
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Instructions
- Start with the chicken:
- Heat the olive oil in a large pot or Dutch oven over medium heat until it shimmers, then add your chicken pieces and let them cook undisturbed for 2 minutes so they develop a golden crust. Cook for 4–5 minutes total, stirring occasionally, until the chicken is browned on all sides, then transfer it to a plate and set it aside.
- Build your flavor base:
- In the same pot, add the diced onion and cook for 3–4 minutes, stirring often, until it turns soft and translucent and smells sweet. Stir in the minced garlic and chopped sun-dried tomatoes, cooking just for 1 minute until the garlic becomes fragrant.
- Bring it all together:
- Return the browned chicken to the pot, then pour in the canned diced tomatoes with their juices, the chicken broth, oregano, red pepper flakes if using, and a pinch of salt and pepper. Stir everything well to combine, breaking up any tomato chunks if you like a smoother sauce.
- Cook the pasta:
- Bring the mixture to a boil, then stir in the dry elbow macaroni and reduce the heat to a gentle simmer. Cover the pot and cook for 10–12 minutes, stirring occasionally, until the pasta is tender but still has a slight bite and the chicken is cooked through.
- Make it creamy:
- Remove the pot from heat and stir in the basil pesto, mozzarella, and Parmesan until the cheeses have melted completely and everything is silky and cohesive. The residual heat will melt everything perfectly without making the cheese grainy.
- Taste and serve:
- Give it a taste and add more salt, pepper, or even a squeeze of lemon juice if something feels like it needs it, then serve it hot with extra Parmesan and fresh basil scattered on top.
Save to Pinterest A friend once told me that the best recipes are the ones where everyone goes quiet for a moment when they take their first bite, and this dish does exactly that. It's humble and luxurious at once, the kind of meal that reminds you why cooking for people you care about matters.
What Makes This Different
This isn't traditional chili mac, and that's precisely the point. Instead of heavy tomato sauce and spice, you get the garden-fresh brightness of pesto woven through creamy cheese and tender chicken, which feels like Italian comfort food had a conversation with American home cooking and decided to combine forces. The sun-dried tomatoes add concentrated sweetness and depth that canned tomatoes alone could never deliver, creating layers of flavor that surprise you with each spoonful.
Timing and Temperature Matters
The secret to keeping your chicken moist is never letting it boil aggressively once it's back in the pot; a gentle simmer cooks it through without squeezing out all its moisture. The pasta cooks right in the broth, which means it absorbs all those savory, herbal flavors as it softens, so you don't need a separate cooking step. Watch the time carefully around minute ten, because pasta thickness varies and you want it tender but not mushy.
Make It Your Own
This dish is forgiving and flexible, which is part of why it works so well for busy weeknights. Ground chicken or turkey will give you a completely different texture if you want something more rustic and less chunky, and swapping in spinach or kale at the end adds color and nutrition without changing the essential character of the dish.
- If you can't find sun-dried tomatoes, roasted red peppers offer a similar sweetness and intensity.
- A gluten-free pasta swap makes this accessible to anyone avoiding wheat, with zero other changes needed.
- Fresh basil stirred in just before serving tastes brighter than dried, so add it if you have it on hand.
Save to Pinterest This is the kind of recipe that becomes a regular in your rotation without you quite meaning for it to happen. Make it once and it'll be the thing people remember.
Recipe FAQ
- → What makes this dish unique?
The fusion of classic American chili mac with Italian pesto, sun-dried tomatoes, and mozzarella creates a distinctive flavor profile that's both comforting and vibrant.
- → Can I make this gluten-free?
Yes, simply substitute the elbow macaroni with your favorite gluten-free pasta. Ensure the pesto you use is certified gluten-free as well.
- → What can I substitute for the chicken?
Ground chicken or turkey work well. For a vegetarian version, try white beans or chickpeas instead of chicken.
- → How should I store leftovers?
Store in an airtight container in the refrigerator for up to 3 days. The pasta may absorb more liquid, so add a splash of broth when reheating.
- → Can I freeze this dish?
Yes, freeze in portion-sized containers for up to 3 months. Thaw overnight in the refrigerator and reheat gently with a little extra broth.
- → What wine pairs well?
A crisp Pinot Grigio complements the pesto and tomatoes beautifully. For red wine lovers, a light Chianti works nicely.
