Spaghetti in Walnut and Basil Pesto Sauce with Lemon and Garlic Prawns

Introduction: The walnut and basil pesto is a variation of the original pesto alla genovese,the quintessential pesto recipe made from Genovese basil,coarse salt,garlic,Liguarian extra virgin olive oil,European pine nuts and grated cheese like Parmigiano Reggiano or Grana Padano and Pecorini sardo or Pecorini romano.Traditionally pesto is prepared in a marble mortal with wooden pestle where…