Sift flour and cocoa powder together and knead in the eggs and olive oil for 15 minutes. Rest for another fifteen minutes then roll and cut in a pasta machine. Heat up a pot of lightly salted water and boil pasta until al dente.
For the Parmesan Pasta Sauce:.
In a saucepan, melt butter and add flour as for a cream sauce. Stir for 1 minute and then add milk. Heat and whisk until sauce thickens slightly. Add parmesan cheese and salt to taste. Serve immediately.