Not historically correct but adding some Marmite to the gravy makes it much better in terms of colour and richness.
Historically speaking, Olive Oil was available that is not the same as it being used. Lard was much more common or butter. Have never used olive oil.
The symbol is a commemoration of the person you are honoring whether dead or alive. That's why you don't have to wait for someone to pass to offer them a sugar skull; you can give one as a gift on Day of the Dead as a sweet reminder that death is the only thing guaranteed in this life or in the words of my mother "la calavera es un símbolo de la muerte, lo único seguro en la vida."
“Sick Time, Sleepy Time, Crip Time: Against Capitalism’s Temporal Bullying”
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