It is also true that many grandparents followed intuitive safeguards: bringing soups to a full boil, using generous salt or acidic ingredients, and paying close attention to changes in smell, texture, or taste. These unspoken rules often provided protection. Difficulty arises when traditions are repeated without the environmental conditions and attentiveness that once made them safer.
From a deeper lens, the question is not whether earlier generations were “wrong,” but how context has shifted. Honoring tradition does not require ignoring new knowledge. When old habits are adapted with modern awareness, families can preserve both cherished memories and health—keeping the spirit of those kitchens alive while respecting what we now understand.