While the pesto can be bought in a jar, Nigella Lawson promises that the fresh version "you can find in chiller cabinets in the supermarkets" will taste so much better. The chef said the ...
Pulse until creamy and mostly smooth, with a few larger flecks of green. Scrape down sides and spoon pesto into a bowl. Set aside. Place potatoes in a large pot, cover with cold water and season ...