Drunken Spaghetti

Another quick recipe the we call '' Drunken Spaghetti''
400 Type G Pasta Spaghetti,
200 g butter,
1 leek onion
100 g grated Pecorino romano cheese,
1 glass Cognac,
Salt
Cook the spaghetti al dente and place them in a bowl, keep warm.
Melt the butter in a saucepan hazel with a leek onion , add the brandy and pour it over pasta. Stir adding the grated Pecorino romano cheese and serve.