Yotam Ottolenghi is back and on the phone lines! He answers your questions and shares some of his best cooking secrets (and personal ones too!) He tells us about the potato chip omelet he makes for his once-picky kids, gives a crash course in leeks, provides his method for whipping up an egg-free mayo, and lets us in on what he really thinks about za'atar. Plus, we chat with Rosie Grant about gravestone recipes; and Tim Glazner tells the strange true story of the man who invented the tiki bar.

Questions in this episode:

"I’ve never prepared or cooked a leek. Any tips?"

"I’ve been trying to cook chicken livers over the years, and I can’t seem to get them to the point where they taste as good as I remember them when i was younger. What am I doing wrong?"

"How do I make an egg-free mayo?"

"What kinds of produce should we avoid at all costs out of season? And what produce should be acceptable year-round."