“These roast potatoes are lovely,” said my sister-in-law, “How do get them so crunchy?”
“I always use beef dripping,” I replied.
“What!” she spluttered, spitting out potato, “You know I’m a strict vegetarian!”
“Don’t panic,” I laughed, “I’m only winding you up.”
“You swine,” she said, looking relieved, “You had me going there!”
“I know. You should have seen your face! … Beef dripping indeed,” I replied, shaking my head, “I use lard really.”