Why This Recipe Works

One-Pot Wonder: Boil the pasta while the sauce simmers, then marry everything in the same skillet for minimal dishes.
Balanced Creaminess: A modest splash of heavy cream stretches into a luxurious blanket thanks to starchy pasta water and naturally thick tomato purée.
Fast Protein: Butterflied chicken breasts cook in 5 minutes flat; no long marinating required.
Veggie Boost: An entire 5-oz clamshell of spinach wilts in seconds, adding color, iron, and freshness.
Pantry Friendly: Canned San Marzano tomatoes work just as well as fresh, so you can crave it year-round.
Kid-Approved: The sauce tastes like creamy tomato soup—familiar enough for picky eaters yet sophisticated enough for adults.

Ingredients You'll Need

Great flavor starts with smart shopping. Here’s what to look for and how to swap with confidence.

Pasta: I reach for penne rigate because the ridges grab every drop of sauce, but rigatoni, fusilli, or farfalle all work. Whole-wheat or legume-based pasta add nutty depth and extra protein if that’s your vibe. Gluten-free? Choose a corn-rice blend that holds its shape.

Chicken: Two medium boneless skinless breasts (about 1¼ lb total) feed four when sliced into strips. Pound them to an even ¾-inch thickness so they cook uniformly. Prefer dark meat? Boneless thighs are juicier; simply sear 1 minute longer per side.

Tomatoes: In summer, use peak-season Roma or vine-ripened tomatoes—roughly 1½ lb, scored, blanched, and peeled. Off-season, a 28-oz can of whole San Marzano tomatoes is your best friend. Their low acidity and natural sweetness create a mellow sauce without added sugar.

Spinach: Baby spinach wilts almost instantly and has no gritty stems. If you only have curly mature spinach, remove the thick ribs and chop it. Frozen spinach works in a pinch—thaw, squeeze bone-dry, and stir in during the final 2 minutes.

Cream: Heavy cream (36 % fat) gives that restaurant sheen. For a lighter route, half-and-half plus 1 tsp cornstarch prevents curdling. Dairy-free? Full-fat coconut milk (the canned kind) is surprisingly neutral once simmered with tomatoes.

Garlic & Onion: Fresh garlic is non-negotiable; pre-minced jars taste flat. A sweet yellow onion builds the umami base—shallots are a delicate swap.

Cheese: A modest dusting of freshly grated Parmigiano-Reggiano melts seamlessly into the sauce. Vegetarian renotto varieties exist if you need them. For a sharper bite, add ⅓ cup crumbled feta at the end.

Seasonings: Crushed red-pepper flakes give gentle warmth; smoked paprika adds intrigue. Keep salt kosher and pepper freshly cracked for the cleanest flavor.

How to Make Creamy Tomato & Spinach Pasta with Chicken

Prep & Pound

Place chicken breasts between two sheets of parchment and pound to ¾-inch thickness with a rolling pin or meat mallet. Pat very dry; moisture is the enemy of browning. Season both sides with 1 tsp kosher salt, ½ tsp black pepper, and ½ tsp Italian seasoning.

Sear the Chicken

Heat 2 Tbsp olive oil in a 12-inch stainless or cast-iron skillet over medium-high until shimmering. Lay chicken in gently; it should sizzle loudly. Cook 4 minutes without nudging—golden fond equals flavor. Flip, reduce heat to medium, and cook 3–4 minutes more until internal temp hits 160 °F. Transfer to a plate to rest; juices re-absorb for maximum succulence.

Start the Pasta

Bring a large pot of water to a boil, salt it aggressively (it should taste like the sea), and cook pasta 2 minutes shy of package directions. Reserve 1½ cups starchy pasta water before draining—liquid gold for emulsifying sauce.

Build the Flavor Base

In the same skillet (don’t wipe it out!) melt 1 Tbsp butter over medium. Add diced onion and cook 3 minutes until translucent. Stir in 3 minced garlic cloves and ¼ tsp red-pepper flakes for 30 fragrant seconds.

Simmer the Tomatoes

Pour in 28 oz canned tomatoes with their juice, crushing them between your fingers. Add 1 tsp tomato paste for depth, ½ tsp sugar to balance acidity, and ½ tsp kosher salt. Simmer 10 minutes, stirring occasionally, until reduced and spoon-coating.

Make it Creamy

Reduce heat to low and stir in ¾ cup heavy cream plus ½ cup reserved pasta water. The sauce will turn a gorgeous sunset-orange. Taste and adjust salt; it should be slightly over-seasoned because the pasta will dilute it.

Slice & Return Chicken

Slice rested chicken on the bias into ½-inch strips. Any juices on the plate? Pour them right into the sauce. Nestle chicken back into the skillet; warm 1–2 minutes.

Wilt the Spinach

Add 5 oz baby spinach by the handful, folding until just wilted and vibrant green—about 45 seconds. Overcooking muddies the color.

Toss with Pasta

Add drained pasta to the skillet. Toss vigorously, adding pasta water a splash at a time until everything is glossy and coats the noodles. Finish with ¼ cup grated Parmesan and a shower of fresh basil ribbons.

Serve & Savor

Twirl into warm bowls, top with extra Parmesan and cracked pepper, and serve immediately with crusty bread to mop up every last bit of that dreamy sauce.

Expert Tips

Control the Heat

If your cream looks like it might curdle, whisk in a tablespoon of cold butter off the heat; the emulsion will stabilize instantly.

Starchy Water

The reserved pasta water contains starch that binds sauce to pasta. Reheat it briefly if it cools, so it incorporates seamlessly.

Make-Ahead Chicken

Sear chicken up to 2 days ahead; refrigerate in an airtight container and add during the warming step to save 10 minutes on busy nights.

Bright Basil

Add fresh herbs only at the end; heat dulls their chlorophyll faster than you can say “al dente.”

Double the Sauce

This sauce freezes beautifully. Double the tomato-cream base, cool, and freeze flat in zip bags for up to 3 months.

Low-Light Option

Swap spinach for kale ribbons; massage with ½ tsp salt first to tenderize, then proceed with wilting.

Variations to Try

Sun-Dried Tomato & Basil

Replace canned tomatoes with 1 cup chopped oil-packed sun-dried tomatoes plus 1 pint cherry tomatoes for pops of sweetness.
Seafood Spinach Alfredo

Skip chicken; sear 1 lb large shrimp or scallops 1 minute per side, then proceed with sauce.
Spicy Vodka Sauce

Deglaze the onion with ¼ cup vodka before adding tomatoes; the alcohol cooks off and sharpens the fruitiness.
Vegan Creamy Tomato

Use coconut milk, swap chicken for pan-seared tofu, and finish with nutritional yeast instead of Parmesan.
Mushroom Lover

Add 8 oz sliced cremini mushrooms to the skillet after searing chicken; sauté until golden before onion step.
Lemony Spring Version

Stir in 1 tsp finely grated lemon zest and 2 Tbsp juice with the cream for a bright, lighter profile.

Storage Tips

Leftovers will keep for up to 4 days refrigerated in a tightly sealed container. The sauce may look separated when cold; that’s normal fat solidifying. Reheat gently with a splash of milk or broth over low heat, stirring often, until warmed through.

To freeze, portion cooled pasta into quart-size freezer bags, press out excess air, and freeze flat for up to 3 months. Thaw overnight in the refrigerator, then reheat as above. Note: spinach texture softens after freezing; if that bothers you, freeze the sauce without spinach and add fresh leaves when reheating.

If you plan to meal-prep for the week, cook pasta only to al dente and store it separately from the sauce. Combine just before serving to avoid mushy noodles.

Frequently Asked Questions

Can I use milk instead of heavy cream?

Yes, but the sauce will be thinner and more prone to curdling. Whisk 1 tsp cornstarch into cold milk first, then add it very slowly over low heat and do not let the sauce boil.

How do I prevent dry chicken?

Don’t overcook! Remove chicken the moment it hits 160 °F; carry-over cooking brings it to the safe 165 °F. Resting 5 minutes before slicing also allows juices to redistribute.

Can I make this gluten-free?

Absolutely—use your favorite gluten-free pasta. Reserve starchy water just the same; rice-corn blends release enough starch to emulsify the sauce.

What wine pairs well?

A medium-bodied Italian red like Chianti complements the tomato acidity, while a creamy Viognier echoes the sauce richness. Pick one and sip as you stir.

Can I halve the recipe?

Yes—halve every ingredient but use a 10-inch skillet. Keep pasta water quantity roughly the same; you can always simmer excess away.

How spicy is this?

As written, it’s mild with gentle warmth from ¼ tsp red-pepper flakes. Double the flakes or add a pinch of cayenne if you crave a bigger kick.

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Creamy Tomato & Spinach Pasta with Chicken

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Prep—

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Serves—

Ingredients

12 oz (340 g) penne rigate or similar short pasta
2 boneless skinless chicken breasts (about 1¼ lb total)
1 tsp kosher salt, plus more for pasta water
½ tsp freshly ground black pepper
½ tsp Italian seasoning
2 Tbsp olive oil
1 Tbsp unsalted butter
1 small yellow onion, diced
3 garlic cloves, minced
¼ tsp crushed red-pepper flakes
28 oz can whole San Marzano tomatoes
1 tsp tomato paste
½ tsp granulated sugar
¾ cup heavy cream
5 oz baby spinach
¼ cup freshly grated Parmesan, plus more for serving
Fresh basil leaves, for garnish

Instructions

Prep chicken: Pound to ¾-inch thickness, season with salt, pepper, and Italian seasoning.
Sear: Heat olive oil in a 12-inch skillet over medium-high. Cook chicken 4 minutes per side until golden; set aside.
Cook pasta: Boil in salted water 2 minutes shy of package time. Reserve 1½ cups pasta water, then drain.
Build sauce: In the same skillet, melt butter. Sauté onion 3 minutes, add garlic and red-pepper flakes 30 seconds. Add tomatoes, tomato paste, sugar, and salt; simmer 10 minutes.
Creamify: Reduce heat to low; stir in cream and ½ cup pasta water.
Combine: Slice rested chicken and return to skillet with spinach. Toss in pasta, adding more pasta water as needed for gloss. Finish with Parmesan and basil.