The Toyota Sienna minivan that propelled the Smiths to Disneyland was paid for, but it had 107, 000 miles on it and smelled like sour milk.

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My go-to Saturday morning recipe is an old one that owes its pleasant acidic edge to a shot of white vinegar a substitute for what would have been sour milk in thriftier times, when cooks were loathe to let any ingredient go to waste.

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