Crazy cake was a recipe that took on many forms during the Great Depression. Because certain ingredients were so expensive, cooks needed to get creative and find ways to enjoy their favorite recipes without using baking essentials like eggs, milk, and butter. Instead, the white vinegar reacts with the baking soda to lift the batter and provide that cakey texture we know and love.
Find it online: https://foodgardening.mequoda.com/recipe/lemon-crazy-cake/