Freshly grated Parmesan cheeseoptional, for garnish
Fresh basiloptional, for garnish
Instructions
Bring a large pot of salted water to a boil. Add the penne pasta and cook until al dente according to package directions. Drain the pasta, reserving a small cup of pasta water.
In the meantime, in a large skillet over medium heat, warm the butter. Add the diced onion and cook for about 5 minutes until softened. Stir in the minced garlic and cook for 30 seconds until fragrant. Pour in the vodka and let it simmer for about 30 seconds to reduce slightly.
Stir in the tomato paste until well combined. Slowly pour in the heavy cream and let the sauce simmer gently for about 4 minutes. Season with salt and black pepper to taste.
Add the drained pasta to the skillet with the sauce. Toss well to coat the pasta evenly. If the sauce is too thick, add a bit of the reserved pasta water to loosen it up.
Transfer the pasta to a serving bowl while hot. Serve immediately. If desired, garnish with a light dusting of freshly grated Parmesan cheese and fresh basil.