Wash and clean the broccoli, cut off the florets and cook in salted water together with the pasta. Then pour off and pour into a baking dish. Preheat the oven to 180 ° C top / bottom heat.
For the sauce, melt the margarine in a saucepan. Add the flour and sweat. Gradually stir in the cream. Bring to the boil and season with salt and pepper. Then pour the sauce over the pasta and sprinkle with breadcrumbs.
Put in the oven for about 20 minutes. Serve afterwards.