Creamy Beef and Mushroom Stroganoff

| 1lbs egg Fettuccine ((dry weight))

butter, (divided)

onion, (chopped)

garlic, (crushed or minced)

sliced mushrooms

lean beef fillet steaks, seasoned with salt and pepper and cubed into 1 1/2-inch pieces ((sirloin, tenderloin, eye fillet or scotch fillet))

dijon mustard

paprika, ((smoky or mild))

dry white wine, ((or more if you like it stronger))

beef broth (or stock), ((or 2 cups water mixed with 1 tablespoon vegetable stock powder))

flour

Worcestershire sauce

Salt and pepper

light sour cream at room temperature, ((or reduced fat cooking cream))

Freshly chopped parsley to garnish