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Bring a large pot of generously salted water to a rolling boil. Add the conchiglie pasta and cook according to package directions until al dente. Drain well and set aside.

While the pasta cooks, pat the steak pieces dry with paper towels. Season with 1/2 teaspoon salt and 1/4 teaspoon black pepper. Heat olive oil in a large skillet or cast iron pan over medium-high heat until shimmering.

Add the steak to the hot skillet in a single layer, working in batches if necessary to avoid overcrowding. Sear for 2-3 minutes per side for medium-rare to medium doneness, developing a nice crust. Remove steak from the skillet and set aside.

Reduce heat to medium. In the same skillet (do not clean), melt the unsalted butter. Once melted, whisk in the all-purpose flour and cook for 1-2 minutes, stirring constantly, to create a roux.

Gradually whisk in the whole milk until smooth. Bring the mixture to a gentle simmer, stirring frequently, until it begins to thicken. Reduce heat to low.

Add the softened cream cheese, shredded sharp cheddar, shredded Monterey Jack, grated Parmesan, garlic powder, onion powder, red pepper flakes, 1/2 teaspoon black pepper, and 1/4 teaspoon salt to the sauce. Stir continuously until all the cheeses are melted and the sauce is smooth and creamy. Taste and adjust seasoning as needed.

Add the cooked conchiglie pasta and seared steak pieces to the cheese sauce. Gently toss everything together until the pasta and steak are thoroughly coated in the creamy sauce.

Serve immediately, garnished with fresh chopped parsley.


Bring a large pot of generously salted water to a rolling boil. Add the conchiglie pasta and cook according to package directions until al dente. Drain well and set aside.

While the pasta cooks, pat the steak pieces dry with paper towels. Season with 1/2 teaspoon salt and 1/4 teaspoon black pepper. Heat olive oil in a large skillet or cast iron pan over medium-high heat until shimmering.

Add the steak to the hot skillet in a single layer, working in batches if necessary to avoid overcrowding. Sear for 2-3 minutes per side for medium-rare to medium doneness, developing a nice crust. Remove steak from the skillet and set aside.

Reduce heat to medium. In the same skillet (do not clean), melt the unsalted butter. Once melted, whisk in the all-purpose flour and cook for 1-2 minutes, stirring constantly, to create a roux.

Gradually whisk in the whole milk until smooth. Bring the mixture to a gentle simmer, stirring frequently, until it begins to thicken. Reduce heat to low.

Add the softened cream cheese, shredded sharp cheddar, shredded Monterey Jack, grated Parmesan, garlic powder, onion powder, red pepper flakes, 1/2 teaspoon black pepper, and 1/4 teaspoon salt to the sauce. Stir continuously until all the cheeses are melted and the sauce is smooth and creamy. Taste and adjust seasoning as needed.

Add the cooked conchiglie pasta and seared steak pieces to the cheese sauce. Gently toss everything together until the pasta and steak are thoroughly coated in the creamy sauce.

Serve immediately, garnished with fresh chopped parsley.
