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Bring a large pot of heavily salted water to a rolling boil. Add the rigatoni pasta and cook according to package directions until al dente, about 10-12 minutes. Reserve 1 1/2 cups of the pasta water before draining the pasta.

While the pasta cooks, heat the olive oil in a large cast iron pan or Dutch oven over medium heat. Add the finely chopped yellow onion and cook, stirring occasionally, until softened and translucent, about 5-7 minutes.

Add the minced garlic and red pepper flakes to the pan. Cook for 1 minute more, stirring constantly, until fragrant. Be careful not to burn the garlic.

Pour in the crushed tomatoes. Bring the sauce to a gentle simmer, then reduce the heat to low, cover, and let it cook for at least 10 minutes, allowing the flavors to meld. Stir occasionally.

Stir in the heavy cream and grated Parmesan cheese until well combined and the cheese has melted into the sauce. Season with additional salt to taste.

Add the drained rigatoni pasta to the sauce. Toss to coat thoroughly. If the sauce is too thick, add reserved pasta water, 1/4 cup at a time, until it reaches your desired consistency.

Serve immediately, garnished with fresh chopped basil and additional grated Parmesan cheese, if desired.


Bring a large pot of heavily salted water to a rolling boil. Add the rigatoni pasta and cook according to package directions until al dente, about 10-12 minutes. Reserve 1 1/2 cups of the pasta water before draining the pasta.

While the pasta cooks, heat the olive oil in a large cast iron pan or Dutch oven over medium heat. Add the finely chopped yellow onion and cook, stirring occasionally, until softened and translucent, about 5-7 minutes.

Add the minced garlic and red pepper flakes to the pan. Cook for 1 minute more, stirring constantly, until fragrant. Be careful not to burn the garlic.

Pour in the crushed tomatoes. Bring the sauce to a gentle simmer, then reduce the heat to low, cover, and let it cook for at least 10 minutes, allowing the flavors to meld. Stir occasionally.

Stir in the heavy cream and grated Parmesan cheese until well combined and the cheese has melted into the sauce. Season with additional salt to taste.

Add the drained rigatoni pasta to the sauce. Toss to coat thoroughly. If the sauce is too thick, add reserved pasta water, 1/4 cup at a time, until it reaches your desired consistency.

Serve immediately, garnished with fresh chopped basil and additional grated Parmesan cheese, if desired.
