The ingredient may be lying at the back of your cupboard but you would never expect to put it in an apple pie recipe ...

Related: The 77-Year-Old Chick-fil-A Recipe That's Practically Perfect To make mock apple pie, you need Ritz crackers, egg, milk, sugar, vanilla, water, lemon juice and zest, cream of tartar ...

There were still disbelievers in the group, so I showed them the recipe printed on the back of a box of Ritz. The modern name is mock apple pie, but early on, it had other names: cracker pie ...