Tuscan chicken pasta contains juicy chicken breasts, a luscious, creamy sauce, sun-dried tomatoes, Italian herbs, and greens (+ pasta). The garlicky, savory goodness of its sauce has people HOOKED!
Cook the pasta: Boil the pasta according to package directions. Reserve 1 cup pasta water. Drain the rest and set aside.
Prepare the chicken: Season the chicken breasts on both sides with 1 tsp of the salt and the pepper. Heat the oil in a large skillet over medium-high heat. Sear the chicken until golden brown on the underside, about 3-5 minutes, then flip to just quickly sear the other side. Remove the chicken from the skillet and set aside. (It will finish cooking in the sauce).
Make the sauce: In the same skillet, add the chopped onion and ½ tsp salt. Add a splash more oil if the pan looks dry. Cook onions until translucent, about 6 minutes, stirring often. Add the garlic and cook for another minute.
Deglaze and add liquids: Pour in the chicken broth, scraping up any browned bits from the pan. Stir in the heavy cream, sun-dried tomatoes, dried Italian seasoning, and red pepper flakes (if using). Bring it to a simmer, then reduce heat to medium-low.
Finish the chicken and sauce: Return the chicken to the skillet, nestling it into the sauce. Cover and cook for 8-10 minutes, or until chicken is cooked through (165ºF internal temperature).
Melt in the cheese: Stir in the Parmesan cheese until fully melted and combined. Taste and more salt to taste, in small pinches, tasting after each addition.
Add the spinach: and cook just until wilted.
Combine with pasta: Toss the cooked pasta into the sauce and stir to coat evenly. Add a few splashes of pasta cooking water if you prefer a thinner sauce.
Serve: Garnish with fresh basil, if desired. Serve immediately.
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Notes
The simmering time allows the sundried tomatoes to become soft and infuse the flavor into the whole sauce. The sauce will become more rosy the longer it simmers.