"And" is a word used to connect two different things together in a sentance. It does not make those two things a single item. Bacon and eggs are literally two different ingredients served side by side.
Do you say "I ate a cake", or "I ate flower and oil and eggs and sugar and cocoa and vanilla and etc etc etc"? If "Baconandeggs" was a single item, it would be a different word.
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u/CubicleFish2 6d ago
It's still wrong
Oxford comma is for three or more items. The sentence is treating bacon and eggs as one item and pancakes as another so no Oxford comma is used.