英语翻译In a large pot of boiling,salted water cook the pasta.Wh

英语翻译
In a large pot of boiling,salted water cook the pasta.
While the pasta is cooking,in a separate pot,melt the butter.
Whisk in the flour and mustard and keep it moving for five minutes.
Stir in the milk,onion,bay leaf,and paprika.
Simmer for ten minutes and remove the bay leaf.
Temper in the egg.
Stir in 3/4 of the cheese.
Season with salt and pepper.
Fold the meal into the mix and pour into a 2-quart casserole dish.
Top with remaining cheese.
Melt the butter in a sauté pan and toss the bread crumbs to coat.
Top the meal with the bread crumbs.Bake for 30 minutes.Remove from oven and rest five minutes before serving.