Oyster Noodle Casserole

• 1 oysters shucked
• 3/4 stick
• 240 ml milk
• 85 gr butter
• 55 gr bread crumbs fine dry
• 28 gr egg noodles broad
• 22 gr onion (yellow finely chopped)
• 18 gr green pepper (finely chopped)
• 16 gr all purpose flour
• 3 gr salt