Why Dunkin' Had To Change The Recipe For This Iconic Donut - Tasting Table
Briefly

Initially, Dunkin' Donuts offered only four types of donuts, but over time they expanded their menu in response to customer preferences.
The process of making crullers requires labor-intensive, handmade techniques that Dunkin’ found difficult to replicate, leading to their modified recipe and removal from the menu.
Dunkin' Donuts sought to balance customer demand with operational efficiency, thus altering their offerings and letting go of the traditional cruller recipe.
Crullers vary by location, featuring crispy exteriors and airy middles, highlighting the need for variety and customer choice in the Dunkin' menu.
Read at Tasting Table
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