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Bring a large pot of salted water to a rolling boil. Add the rigatoni pasta and cook according to package directions until al dente. Before draining, reserve 1 cup of the pasta cooking water. Drain the pasta and toss with 1 tablespoon of olive oil to prevent sticking.

While the pasta is cooking, heat 1 tablespoon of olive oil in a large skillet or Dutch oven over medium heat. Add the diced yellow onion and cook until softened and translucent, about 5-7 minutes.

Add the minced garlic to the skillet and cook for 1 minute more until fragrant, being careful not to burn it.

Pour in the crushed tomatoes, dried oregano, red pepper flakes, salt, and black pepper. Stir well and bring the sauce to a gentle simmer. Reduce the heat to low, cover, and let it cook for 10-15 minutes, allowing the flavors to meld.

Stir in the heavy cream and grated Parmesan cheese until fully combined and the cheese has melted into the sauce.

Add the fresh spinach to the sauce, a handful at a time, stirring until it wilts down. Continue adding spinach until all of it is incorporated and wilted.

Add the cooked and drained rigatoni pasta to the skillet with the sauce. Toss to coat the pasta evenly. If the sauce seems too thick, add a splash or two of the reserved pasta cooking water until it reaches your desired consistency.

Serve immediately, garnished with extra grated Parmesan cheese and fresh chopped basil.


Bring a large pot of salted water to a rolling boil. Add the rigatoni pasta and cook according to package directions until al dente. Before draining, reserve 1 cup of the pasta cooking water. Drain the pasta and toss with 1 tablespoon of olive oil to prevent sticking.

While the pasta is cooking, heat 1 tablespoon of olive oil in a large skillet or Dutch oven over medium heat. Add the diced yellow onion and cook until softened and translucent, about 5-7 minutes.

Add the minced garlic to the skillet and cook for 1 minute more until fragrant, being careful not to burn it.

Pour in the crushed tomatoes, dried oregano, red pepper flakes, salt, and black pepper. Stir well and bring the sauce to a gentle simmer. Reduce the heat to low, cover, and let it cook for 10-15 minutes, allowing the flavors to meld.

Stir in the heavy cream and grated Parmesan cheese until fully combined and the cheese has melted into the sauce.

Add the fresh spinach to the sauce, a handful at a time, stirring until it wilts down. Continue adding spinach until all of it is incorporated and wilted.

Add the cooked and drained rigatoni pasta to the skillet with the sauce. Toss to coat the pasta evenly. If the sauce seems too thick, add a splash or two of the reserved pasta cooking water until it reaches your desired consistency.

Serve immediately, garnished with extra grated Parmesan cheese and fresh chopped basil.
