#2: Jell-O 1-2-3
Jell-O’s famous 1-2-3 snack used the power of gastronomy (from a box, no less) to whip up an effortless, layered treat that would have your dinner guests ooh’ing and aah’ing. A quick Google search will reveal that implacable fans have replicated this mysterious concoction, though the consensus seems to report that nothing quite stands up to the original.
