Bring a large pot of salted water to a boil. Cook pasta according to al dente according to package instructions. Reserve 1 cup of the pasta cooking liquid (don’t forget!), then drain.
In a blender or food processor, combine the cottage cheese, Parmesan cheese, milk, and garlic. Blend until smooth.
Pour the cottage cheese sauce into a wide skillet. Add the noodles, tossing to warm gently over low, and thinning with the reserved pasta water if needed. Do not overheat the sauce or it will tighten up and curdle.
Taste and add salt as needed (different brands of cottage cheese are saltier than others; you may not need any). Top with cracked black pepper and parsley. Serve immediately, sprinkled with additional Parmesan to taste.
Notes
TO STORE: Store leftovers in an airtight container in the refrigerator for up to 3 days. I don’t recommend freezing this recipe, as the sauce won’t be as smooth and creamy.
TO REHEAT: Reheat gently on the stovetop or in the microwave, adding a splash of milk or water to loosen the sauce. Avoid high heat to keep the sauce smooth.
COOKING TIP: My favorite workflow for this recipe is to make the sauce while the noodles cook. Just before the noodles are done, I place a wide saucepan on the burner next to the pasta, pour the sauce into it, then use tongs to lift the cooked noodles out of the boiling water and lower them immediately into the sauce. It saves you the step of draining and the pasta water clinging to the noodles helps the sauce coat the noodles nicely.