Ruby Donut, located in Ayer, MA, offers a delightful array of freshly baked donuts that have left customers raving. From the classic yeasted donuts to unique flavors, every bite is a treat. The cozy shop may lack in decor, but makes up for it with fantastic dough creations. Customers have praised the soft, fresh, and tasty donuts, with some even receiving extra treats with their orders. The only complaint seems to be the occasional sold-out staples, showing just how popular Ruby Donut truly is. If you're in the area, don't miss out on these delectable delights that will surely have you coming back for more.