Possible Clues:

• She cooks everything, say, in turn
• Very tired, perhaps, cutting back plant
• Flowering plant also known as love-in-a-mist
• Celebrity chef Lawson
• ___ Lawson, cook
• Everyone, say, at home, turned up to see celebrity chef?
• Foodie takin' position as professor in retirement
• Claiming to lose £1,000 over a bloomer
• Cook — love-in-a-mist?
• Northern Ireland set originally labelling a flowering plant