Par-boil pasta (firm but still ... Add onion and cheese, whisking until melted. Turn ... of casserole evenly. Bake for 30 minutes at 350°F ... easy variation to breadcrumbs!
Cook pasta as directed on ... stir in sharp cheese until melted. Add cooked pasta ... top of casserole. Bake at 350°F for 25 minutes ... top. Serve immediately. .