Nigella Lawson is back filming... but isn't her face mask the kind of muslin she uses to strain jam?

The glamorous chef, 60, was spotted in the off-white bandana - that looks a piece of muslin she might normally use to strain jam. Nigella was pictured as she arrived at a London TV studio. https://www.dailymail.co.uk/tvshowbiz/article-8631687/Nigella-Lawson-filming-isnt-face-mask-kind-muslin-uses-strain-jam.html?ns_mchannel=rss&ns_campaign=1490&ito=1490