Preheat the oven to 375 degrees F (190 degrees C).
2
Bring a large pot of lightly salted water to a boil. Cook lasagna noodles in the boiling water, stirring occasionally, until tender yet firm to the bite, 8 to 10 minutes. Drain.
3
Meanwhile, blend tomato sauce and cottage cheese together in a blender or with an electric mixer until smooth.
