Also I imagine industrialization did a number even before the world wars. As I understand it a lot of Northern European recipes relied on certain styles of preservation that wouldnt be possible in say a London tenement. Hell just looking at my own families recipes from back during westward expansion it heavily emphasizes cured meats and foraged ingredients. Either that or harrassing Mexicans for spices.
Also I imagine industrialization did a number even before the world wars. As I understand it a lot of Northern European recipes relied on certain styles of preservation that wouldnt be possible in say a London tenement. Hell just looking at my own families recipes from back during westward expansion it heavily emphasizes cured meats and foraged ingredients. Either that or harrassing Mexicans for spices.