Preheat oven to 350 degrees F (175 degrees C). Bring a large pot of lightly salted water to a boil. Add pasta and cook for 8 to 10 minutes or until al dente; drain.
Steam broccoli until bright green and tender, 5 to 10 minutes. Combine broccoli, pasta and cottage cheese in 2 quart baking dish; mix well.
Sprinkle pasta mixture with Cheddar cheese and bake for 8 to 10 minutes, until cheese is bubbly.