Cookie Time is thanking the 'Costco effect' for a massive jump in sales.
The Christchurch-based company is praising the works of the Auckland superstore, saying it's boosted sales by more than a million since opening in September.
The cookie manufacturer says due to the recent success, it's now set to supply its cookies for other Costco stores internationally.
Cookie Time Managing Director Guy Pope-Mayell told Kate Hawkesby the success comes as a sweet surprise.
He says Cookie Time is producing one pallet of cookies per day just for the Auckland Costco store.
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