Cook pasta according to packaging instructions, until al dente. Drain and add to a bowl. Add a drizzle of olive oil and stir the pasta to prevent it from sticking. Set aside.
To a high-speed blender or a food processor, add milk, cottage cheese, cornstarch, spices, and salt. Blend on high for 30 seconds or until completely smooth
Pour into a large pot and cook over medium heat until it thickens, stirring frequently. Add the cooked pasta, the butter and black pepper to the sauce. Stir and cook over low heat for 1-2 minutes.