The bakery Bien Cuit, with locations in Brooklyn and Manhattan, has assembled a make-your-own sourdough kit, good for yourself or for someone who is getting into bread baking. It contains a jar of the chef Zachary Golper’s own live starter, assorted tools for baking, a sack of organic whole wheat flour, a loaf of sourdough bread and a signed copy of “Bien Cuit: The Art of Bread.”

Sourdough kit, $199, with shipping nationwide ($140 at the bakery’s 120 Smith Street, Brooklyn, and Grand Central Terminal locations); without the bread, $189; without the bread and the book, $139;

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