Grumpys Donuts is a donut shop at 15 Sandyford Street in Sydenham, Christchurch, in a hot pink shipping container. It began as a pop-up and now has a permanent place. The donuts are traditional North American style, with a crisp, craggy outside and a soft, cake-like inside, baked fresh every day with rotating flavours. A classic donut is made dairy free, and vegan options are available on Fridays and Saturdays.
The shop is open Wednesday from 9am to 5pm, Thursday and Friday from 9am to 8pm, and Saturday from 9:30am to 2pm. It is closed on Monday, Tuesday and Sunday. Donuts can also be pre-ordered or ordered for catering. Open Locally lists four other bakeries within a kilometre. Totally Gluten Free Bakery is 0.8 km away and rated 4.4 from 320 reviews, and Dhi Ferrari Cakes Patisserie & Cafe is 0.7 km away.