Put spaghetti in plenty of boiling salted water and cook for about 10 minutes until al dente. Pour off, rinse and drain. Clean and wash spring onions and slice them diagonally.
Roughly dice the cheese. Heat oil in a pot. Steam spring onions at low heat for about 3 minutes. Deglaze with wine and reduce by half. Add cheese, broth and cream and bring to the boil while stirring.
Season to taste with salt and pepper. Wash the basil, dab dry and remove the leaves and cut into strips. Stir the basil into the sauce. Fold spaghetti into the Roquefort basil sauce, heat up and serve.