In a large pan on medium heat, brown the sausage, breaking it up with your spatula as it cooks. Drain.
Cook noodles in a pot of water (unsalted) until just tender. Drain.
To the pot of drained noodles, add the sausage, pimento, and green bell pepper, stir to mix together.
Preheat your oven to 180° C (350° F), grease a 1½ quart casserole with butter.
In a saucepan, add the soup and milk, stir to combine, heat and stir constantly.
Add the Bleu cheese, stirring constantly until the cheese has melted and mixed in.
Pour the soup mixture into the noodle mixture, stir to mix.
Pour the mixture into the prepared casserole and spread out evenly.
Mix together the breadcrumbs and melted butter, sprinkle on top of the casserole.
Bake for 35 minutes.
Serve with sides of your choice, enjoy.