In a large pot, bring salted water to a rolling boil. Add cheese tortellini and cook according to package instructions, about 3-5 minutes. Drain and set aside.

Heat olive oil in a large skillet over medium-high heat. Season steak with salt, black pepper, garlic powder, and smoked paprika. Sear steak for 3-5 minutes on each side, then remove and let rest.

In the same skillet, reduce heat to medium and add butter. Once melted, add minced garlic and sauté for about 1 minute until fragrant.

Slowly pour in heavy cream and whole milk, stirring to combine. Allow to simmer for 3-4 minutes until thickened.

Gradually add parmesan cheese to the sauce, stirring until melted and smooth. Adjust seasoning as desired.

Slice the seared steak into pieces and return it to the skillet along with the cooked tortellini. Toss everything together for 2 minutes on low heat.

Sprinkle with parsley and red pepper flakes before serving. Serve immediately.