Preheat oven to 375 degrees F. Bring a pot of well-salted water to a boil and cook the pasta one minute less that the directions call for. Drain very well and add to a 9 x 12 inch baking dish
Stir in the cottage cheese, cheddar cheese, sour cream, milk, Parmesan cheese, salt and pepper. In a small bowl, stir the bread crumbs and melted butter together. Sprinkle evenly over the top, and bake for 35 minutes, or until top is golden brown and bubbling.