Mayonnaise: One of the sauces which serve the French in place of a state religion.
All the pre-made sauces in a jar and frozen and canned vegetables processed meats and cheeses which are loaded with artificial ingredients and sodium can get in the way of a healthy diet. My number one advice is to eat fresh and seasonally.
In the long history of humankind (and animal kind too) those who learned to collaborate and improvise most effectively have prevailed.