cookie cutter
US /ˈkʊk.i ˌkʌt.ər/
UK /ˈkʊk.i ˌkʌt.ər/

1.
a device for cutting dough into a particular shape for cookies
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She used a star-shaped cookie cutter to make festive biscuits.
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My grandmother has a collection of antique cookie cutters.
1.
lacking individuality or originality; mass-produced
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The new houses in the development are all very cookie-cutter, with no unique features.
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His writing style is a bit cookie-cutter; you can always predict the plot.