01 -
Bring a large pot of salted water to a boil. Cook pasta according to package instructions until al dente. Drain and set aside.
02 -
In a sauté pan over medium heat, melt unsalted butter with olive oil. Add diced shallot and minced garlic, cooking for 3 minutes until fragrant and translucent.
03 -
Stir in red pepper flakes, tomato paste, salt, and black pepper. Cook for 2 to 3 minutes, stirring occasionally, to deepen the flavor and caramelize the tomato paste.
04 -
Reduce heat to medium-low. Pour in heavy cream and stir until the mixture is smooth and cohesive. Allow to simmer gently.
05 -
Add cooked pasta to the sauce, tossing until evenly coated. If desired, fold in Parmesan cheese just before serving. Serve immediately.