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Heat 2 tablespoons of olive oil in a large skillet over medium heat. Add the 1 finely diced onion and 6 minced fresh garlic cloves. Cook, stirring occasionally, until the onion and garlic are softened and yellowed, which will take approximately 3 to 5 minutes.

Add 3 tablespoons of tomato paste to the skillet. Continue to cook, stirring occasionally, until the paste turns a brick red color and begins to caramelize. This typically takes about 5 minutes.

Stir in 1 cup of pasta water, 1 teaspoon of salt (or to taste), 1 teaspoon of black pepper, and 1 tablespoon of red pepper flakes. Cook for 1 minute, allowing the flavors to meld.

Pour 1 cup of unsweetened heavy whipping cream into the sauce mixture and mix well to combine.

In a separate large pot, heat 3 quarts of salted water until it comes to a rolling boil. Add 1/2 of an 8-ounce pack of rigatoni pasta and cook according to package instructions until al dente, or for about 12 minutes.

Once the pasta is cooked, drain it thoroughly, making sure to reserve 1 cup of the pasta water before discarding the rest.

Add the drained rigatoni pasta directly to the skillet containing the spicy sauce. Reduce the burner heat to low and stir in 2 tablespoons of butter until it is fully melted and incorporated into the sauce.

If the sauce appears too thick, add more of the reserved pasta water, a little at a time, until the desired consistency is achieved.

Stir in 1/2 cup of freshly grated Parmesan cheese. Taste the pasta and sauce, and adjust the seasoning with additional salt and pepper if needed.

Serve the spicy rigatoni immediately, topped with more freshly grated Parmesan cheese and a sprinkle of fresh parsley, if desired, for garnish.


Heat 2 tablespoons of olive oil in a large skillet over medium heat. Add the 1 finely diced onion and 6 minced fresh garlic cloves. Cook, stirring occasionally, until the onion and garlic are softened and yellowed, which will take approximately 3 to 5 minutes.

Add 3 tablespoons of tomato paste to the skillet. Continue to cook, stirring occasionally, until the paste turns a brick red color and begins to caramelize. This typically takes about 5 minutes.

Stir in 1 cup of pasta water, 1 teaspoon of salt (or to taste), 1 teaspoon of black pepper, and 1 tablespoon of red pepper flakes. Cook for 1 minute, allowing the flavors to meld.

Pour 1 cup of unsweetened heavy whipping cream into the sauce mixture and mix well to combine.

In a separate large pot, heat 3 quarts of salted water until it comes to a rolling boil. Add 1/2 of an 8-ounce pack of rigatoni pasta and cook according to package instructions until al dente, or for about 12 minutes.

Once the pasta is cooked, drain it thoroughly, making sure to reserve 1 cup of the pasta water before discarding the rest.

Add the drained rigatoni pasta directly to the skillet containing the spicy sauce. Reduce the burner heat to low and stir in 2 tablespoons of butter until it is fully melted and incorporated into the sauce.

If the sauce appears too thick, add more of the reserved pasta water, a little at a time, until the desired consistency is achieved.

Stir in 1/2 cup of freshly grated Parmesan cheese. Taste the pasta and sauce, and adjust the seasoning with additional salt and pepper if needed.

Serve the spicy rigatoni immediately, topped with more freshly grated Parmesan cheese and a sprinkle of fresh parsley, if desired, for garnish.
