This chicken spinach rigatoni is the kind of dinner I turn to when I want something comforting, straightforward, and reliably good. It brings tender chicken, spinach, a creamy chive-onion sauce, and two kinds of cheese together over ridged pasta that captures every bit of sauce. The result is cheesy, saucy, and just structured enough to feel like a proper family meal.
I like this recipe because it’s practical: the steps are clear, it uses mostly pantry and freezer basics, and it scales without drama. You can make it on a weeknight, but it’s sturdy enough for a casual weekend gathering too. Leftovers reheat beautifully, which always helps on busy days.
Below you’ll find the exact ingredient list and step-by-step directions I follow every time. I’ll also add notes on tools, swaps for lighter or pantry-friendly options, troubleshooting, and storage so you get the best outcome every time.
What You’ll Need
Start by assembling the ingredients and a baking dish. The recipe is forgiving, but having everything prepped makes the process quick and clean. If you want to read through the steps before you begin, do it now — the active cooking moves at a steady pace once the pasta is boiling.
Ingredients
- 8 ounces rigatoni — the ridges hold onto the sauce; cook to al dente so it doesn’t get mushy in the oven.
- 2 tablespoons butter — for sautéing the onion and adding richness to the sauce.
- 1 cup diced onion — builds savory sweetness; dice small so it softens evenly.
- 1 (7.5-ounce) container chive onion cream cheese — the base of the creamy sauce; melts smoothly into the cream.
- ¾ cup heavy cream — thins and enriches the cream cheese for a silky sauce.
- ½ teaspoon salt — seasons the sauce; add to taste if using salty chicken or cheese.
- ½ teaspoon pepper — balances the cream and brings warmth.
- ¼ teaspoon crushed red pepper flakes — a hint of heat; keep it if you like a little bite.
- 1 (14.5-ounce) can diced tomatoes, drained — gives acidity and texture; drain to avoid excess liquid.
- 10 ounces frozen chopped spinach, thawed and squeezed dry — adds color, nutrients, and moisture control when squeezed thoroughly.
- 3 cups diced cooked chicken — leftover roast or rotisserie chicken works great; bite-sized pieces heat through evenly.
- 2 cups shredded mozzarella cheese — half gets stirred into the pasta for creaminess, half goes on top for a melty crust.
- ½ cup freshly shredded Parmesan cheese — half goes inside for umami, half crowns the casserole for a salty finish.
Chicken Spinach Rigatoni, Made Easy
- Preheat oven to 350°F (175°C). Spray a 9×13-inch (or slightly smaller) baking dish with cooking spray.
- Bring a large pot of salted water to a boil. Add 8 ounces rigatoni and cook according to package directions until al dente. Drain the pasta and set aside.
- While the pasta cooks, melt 2 tablespoons butter in a large skillet over medium heat. Add 1 cup diced onion and cook, stirring occasionally, until the onion is soft and translucent, about 4–6 minutes.
- Reduce heat to medium-low. Add 1 (7.5-ounce) container chive onion cream cheese and 3/4 cup heavy cream to the skillet. Stir until the cream cheese melts and the sauce is smooth.
- Stir in 1/2 teaspoon salt, 1/2 teaspoon pepper, and 1/4 teaspoon crushed red pepper flakes. Add 1 (14.5-ounce) can diced tomatoes (drained), 10 ounces frozen chopped spinach (thawed and squeezed dry), and 3 cups diced cooked chicken. Stir until everything is evenly combined and warmed through. Remove the skillet from the heat.
- Add the cooked rigatoni to the skillet and toss gently to coat the pasta in the sauce. Stir in half of the shredded mozzarella and half of the freshly shredded Parmesan.
- Transfer the pasta mixture to the prepared baking dish and spread it evenly. Sprinkle the remaining mozzarella and remaining Parmesan evenly over the top.
- Bake for 20 minutes, until the casserole is bubbly and the cheese is melted. Let rest a few minutes before serving.
Top Reasons to Make Chicken Spinach Rigatoni
- Comforting and family-friendly — it hits the cheesy, saucy notes most people love.
- Quick to assemble — much of the work happens while the pasta cooks.
- Uses common ingredients — frozen spinach and canned tomatoes keep pantry and freezer reliance low.
- Great for leftovers — it reheats well for lunches or a second dinner.
- Flexible with protein — works with rotisserie chicken, turkey, or a simple pan-seared chicken breast.
Healthier Substitutions
- Swap regular rigatoni for whole-wheat or a legume-based pasta to increase fiber and protein.
- Replace heavy cream with half-and-half or a mix of low-fat Greek yogurt and milk (temper the yogurt into the warm sauce off heat to avoid curdling).
- Use low-fat cream cheese instead of chive onion cream cheese to cut saturated fat, then add a little extra herbs or garlic for flavor.
- Reduce the mozzarella by 1/2 cup and increase the Parmesan for more flavor with less volume of mozzarella.
- Stretch the dish with extra vegetables — mushrooms, bell peppers, or zucchini sautéed with the onion add bulk and nutrients.
Equipment & Tools
- Large pot — for boiling the pasta.
- Colander — to drain the rigatoni cleanly.
- Large skillet — to make the sauce and combine the main ingredients.
- 9×13-inch baking dish (or slightly smaller) — to assemble and bake the casserole.
- Wooden spoon or heatproof spatula — for stirring the sauce and folding in the pasta.
- Measuring cups and spoons — for accurate seasoning.
Troubleshooting Tips
- Sauce too thin? Simmer it off the heat a few minutes to reduce slightly, or stir in a tablespoon of grated Parmesan to thicken and add umami.
- Sauce too thick? Add a splash of milk or a tablespoon of reserved pasta water to loosen it before combining with the rigatoni.
- Pasta overcooked? If it’s softer than al dente before baking, reduce bake time and check sooner — the oven will continue to soften it.
- Watery casserole after baking? Make sure the diced tomatoes are well drained and the spinach is squeezed dry before adding. Also, don’t skip preheating the oven; a steady bake helps evaporate excess moisture.
- Uneven cheese melt? Mix half the mozzarella and half the Parmesan into the pasta as instructed so the top melt is primarily decorative and the interior stays uniformly cheesy.
Make It Year-Round
This dish adapts well across seasons. In spring and summer, stir in fresh herbs (basil, chives, or parsley) right before serving to brighten the flavors. Swap frozen spinach for fresh baby spinach in summer: wilt a couple of handfuls in the skillet until just softened and use in place of the thawed spinach.
In fall and winter, add roasted vegetables like butternut squash or mushrooms for soul-warming depth. You can also swap the chicken for leftover shredded turkey around holidays for a comforting post-holiday casserole.
Flavor Logic
The recipe balances cream and acid to keep richness from becoming one-dimensional. The chive-onion cream cheese and heavy cream form a silky base that clings to the rigatoni. Crushed red pepper flakes add a subtle lift so the dish isn’t flat, and the drained diced tomatoes introduce an acid note that cuts through the creaminess.
Spinach contributes color and a mild earthiness that pairs well with chicken. Using two cheeses — mozzarella for gooey meltiness and Parmesan for salty, savory depth — layers the texture and flavor so each bite feels complete.
Cooling, Storing & Rewarming
- Cool: Let the casserole rest until just warm to the touch, then transfer leftovers to an airtight container. Cooling at room temperature for up to 1 hour is fine, but refrigerate promptly after that.
- Store: Refrigerate for up to 3–4 days. For longer storage, freeze portions in freezer-safe containers for up to 2 months.
- Reheat from fridge: Reheat individual portions in the microwave until warmed through, stirring halfway for even heating. For whole or larger portions, reheat at 350°F (175°C) covered with foil until heated through, about 15–20 minutes depending on portion size.
- Reheat from frozen: Thaw overnight in the refrigerator, then reheat as above. If reheating from fully frozen, cover the dish with foil and bake at 350°F (175°C) until hot throughout (this can take 45–60 minutes); remove foil for the last 10 minutes to refresh the top.
Frequently Asked Questions
- Can I use fresh spinach instead of frozen? Yes. Use about 6–8 cups of fresh baby spinach, wilted in the skillet until just softened, then proceed as directed.
- Is rotisserie chicken okay? Absolutely. Rotisserie chicken is a great shortcut — just dice and toss in.
- Can I make this ahead? You can assemble it and refrigerate for a few hours before baking; add 5–10 minutes to the bake time if baking cold from the fridge.
- Can I make it vegetarian? Omit the chicken and add more vegetables or use a plant-based chicken substitute. Keep the rest of the ingredients the same for texture and richness.
- My sauce separated when I added dairy — what happened? If dairy separates, it was likely exposed to too-high heat. Lower the heat and stir gently; a quick whisk off the heat can help bring it back together.
Next Steps
If you loved this casserole, try swapping the protein next time — shredded turkey or browned Italian sausage both work well. Save any leftovers for packed lunches, or serve the dish with a simple green salad and a squeeze of lemon to cut through the richness.
Make it tonight: gather the ingredients, preheat the oven, and enjoy a straightforward, satisfying meal that feeds a family or gives you generous leftovers. When you’re ready for a twist, check the substitutions above and keep experimenting — this is a forgiving base for many flavors.
Chicken Spinach Rigatoni
Ingredients
Ingredients
- 8 ouncesRigatoni
- 2 tablespoonsbutter
- 1 cupdiced onion
- 1 7.5-ounce containerchive onion cream cheese
- 3/4 cupheavy cream
- 1/2 teaspoonsalt
- 1/2 teaspoonpepper
- 1/4 teaspooncrushed red pepper flakes
- 1 14.5-ounce candiced tomatoes, drained
- 10 ouncesfrozen chopped spinach thawed and squeezed dry
- 3 cupsdiced cooked chicken
- 2 cupsshredded mozzarella cheese
- 1/2 cupfreshly shredded Parmesan cheese
Instructions
Instructions
- Preheat oven to 350°F (175°C). Spray a 9×13-inch (or slightly smaller) baking dish with cooking spray.
- Bring a large pot of salted water to a boil. Add 8 ounces rigatoni and cook according to package directions until al dente. Drain the pasta and set aside.
- While the pasta cooks, melt 2 tablespoons butter in a large skillet over medium heat. Add 1 cup diced onion and cook, stirring occasionally, until the onion is soft and translucent, about 4–6 minutes.
- Reduce heat to medium-low. Add 1 (7.5-ounce) container chive onion cream cheese and 3/4 cup heavy cream to the skillet. Stir until the cream cheese melts and the sauce is smooth.
- Stir in 1/2 teaspoon salt, 1/2 teaspoon pepper, and 1/4 teaspoon crushed red pepper flakes. Add 1 (14.5-ounce) can diced tomatoes (drained), 10 ounces frozen chopped spinach (thawed and squeezed dry), and 3 cups diced cooked chicken. Stir until everything is evenly combined and warmed through. Remove the skillet from the heat.
- Add the cooked rigatoni to the skillet and toss gently to coat the pasta in the sauce. Stir in half of the shredded mozzarella and half of the freshly shredded Parmesan.
- Transfer the pasta mixture to the prepared baking dish and spread it evenly. Sprinkle the remaining mozzarella and remaining Parmesan evenly over the top.
- Bake for 20 minutes, until the casserole is bubbly and the cheese is melted. Let rest a few minutes before serving.
Equipment
- 9x13 inch Baking Dish
- Pasta pot
Notes
Nutritional info is provided as an estimate only and will vary based on brands of products used. Not to be used for specific dietary needs.
