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Bring a large pot of generously salted water to a rolling boil over high heat. Add the linguine and cook according to package directions until al dente, usually 8-10 minutes. Reserve 1 cup of pasta water before draining the pasta.

While the pasta cooks, heat the vegetable oil and butter in a large skillet or Dutch oven over medium heat. Add the thinly sliced red onions and sauté, stirring frequently, for 10-15 minutes, or until deeply caramelized and browned.

Add the minced garlic to the caramelized onions and continue to sauté for 1 minute, until fragrant.

Stir in the chilli oil and soy sauce, mixing well to combine with the onion and garlic mixture.

Pour in the heavy cream and stir until well combined and the sauce begins to warm through.

Add 1 ladleful (about 1/2 cup) of the reserved pasta water to the sauce. Stir continuously until the sauce thickens slightly and achieves a creamy consistency.

Stir in the chili powder, dried oregano, and black pepper. Mix thoroughly to incorporate the spices into the sauce.

Using tongs, transfer the cooked linguine directly from the pot into the skillet with the sauce. Toss the pasta thoroughly with the sauce, ensuring every strand is coated.

Serve immediately, garnished with fresh chopped parsley and an additional drizzle of chilli oil, if desired.


Bring a large pot of generously salted water to a rolling boil over high heat. Add the linguine and cook according to package directions until al dente, usually 8-10 minutes. Reserve 1 cup of pasta water before draining the pasta.

While the pasta cooks, heat the vegetable oil and butter in a large skillet or Dutch oven over medium heat. Add the thinly sliced red onions and sauté, stirring frequently, for 10-15 minutes, or until deeply caramelized and browned.

Add the minced garlic to the caramelized onions and continue to sauté for 1 minute, until fragrant.

Stir in the chilli oil and soy sauce, mixing well to combine with the onion and garlic mixture.

Pour in the heavy cream and stir until well combined and the sauce begins to warm through.

Add 1 ladleful (about 1/2 cup) of the reserved pasta water to the sauce. Stir continuously until the sauce thickens slightly and achieves a creamy consistency.

Stir in the chili powder, dried oregano, and black pepper. Mix thoroughly to incorporate the spices into the sauce.

Using tongs, transfer the cooked linguine directly from the pot into the skillet with the sauce. Toss the pasta thoroughly with the sauce, ensuring every strand is coated.

Serve immediately, garnished with fresh chopped parsley and an additional drizzle of chilli oil, if desired.
