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    Union Square Donuts

    3.1 (40 reviews)
    Open • 7:00 am - 8:00 pm

    Order Union Square Donuts Takeout or Delivery

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    Vietnamese Coffee
    Angel P.

    I love their original location so I was surprised to see they opened a location at Assembly Row. Donuts are $3.50-$5 each. I got the Vietnamese coffee and jumbleberry. I got the donuts an hour before they closed and the donuts were still good. Not stale (surprising as it was near the end of the day), and both flavors were delicious. I would recommend the jumbleberry to anyone. The workers were helpful and great. I'm visiting so I'm definitely planning on taking some back home with me.

    Casey A.

    I've always been a big union square donut fan. I love their honey dipped donut, the maple bacon, the brown butter hazelnut crunch. They come out with new flavors and styles pretty often and always have a vegan option for people who prefer that as well! I love that you can see the actual vanilla in their dough. I also like their coffee options. It's a pricey donut compared to Dunkin but definitely on par with other specialty donut shops. Everyone has always been nice in store as well. I definitely recommend trying them out or going to their OG shop in Union Square. Sometimes when you go to a location where they're not fried/made at that site, it might not be the freshest later in the day. But... that's expected. I know people will criticize for that but I don't really expect a freshly fried donut late in the day?

    Lemon Glazed Cruller
    William C.

    Heavenly donuts! I tried the Moon Pie, which has chocolate icing and fluffy marshmallow filling, and the Lemon Glazed Cruller, which had the best lemon icing. Staff were very friendly, and it's in a great location -- lots to see, do, and eat in Assembly Row. They're pricey donuts, but worth it!

    Alison D.

    Union Square Donuts offers a delightful experience for those with a sweet tooth and a penchant for good coffee. Their iced latte is perfectly balanced, providing a refreshing and smooth caffeine boost that's just right for a warm day like today. The donuts are truly standout, with a cake-like texture that's moist and flavorful, making each bite a moment of indulgence. I'm not the biggest donut fan but I bought the blueberry short cake, maple bacon, espresso martini + tiramisu. The combination of their excellent coffee and delectable donuts makes Union Square Donuts a must-visit spot for anyone looking to satisfy their dessert cravings for sure. It was definitely a nice surprise!

    Reggie W.

    I had a glazed donut here and it was good, although I was expecting to be blown away because of the modern and clean aesthetic of the establishment. It's a cozy spot with maybe 10 or so seats, a couple of outlets. They have lots of lots of options including plenty of vegan options, maple bacon and Raspberry Cheesecake donuts in the $3 to $5 range.

    Ayatt A.

    I am definitely a Kane's faithful, but when I new place opens, I always have to try it. I've had Union Square Donuts before and thought they were awesome so I wanted to try the Assembly Row location. I went around 8:30 AM and got the Banana Pudding Donut, the Blueberry Muffin Donut, and an Iced Matcha Latte. The total was about 18 bucks. The donuts were absolutely phenomenal and worth the money for the size. They were soft and fluffy and the filling was out of this world. The matcha latte was good but a little too pricey for the size. I will definitely come back and try more donuts in the future though!!

    Jessica W.

    What a disappointment. My friend and I stopped by because all the donuts on display looked so good. While we were in line, the person in front of us even raved about the Butter Pecan French Cruller and how amazing it was. We decided to split the cruller and it was the biggest letdown. All we could taste was oil. There was barely any flavor to it. We even questioned how fresh it actually was. Giving this place two stars only because the staff was friendly.

    Vegan chai apple cider, apple cider donut

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    3 months ago

    Yummy doughnuts and cinnamon rolls. Salted caramel bourbon is my favorite! Matcha latte is also very tasty!

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    3 years ago

    The donuts are delicious but messy. You need silverware to eat them. They are pricey but very big. The cheesecake bar was amazing

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    2 years ago

    5 Stars for always having delicious vegan options! Parking across the street and some in front. Coffee is good and a few places to sit

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    3 years ago

    Order donuts for a bunch of guys. Very pricey. Coffee was alittle too rich for me. You only need one donut there.

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    Blackbird Doughnuts - Harvard Square - Inside Smith Campus Center at Harvard Square! (July, 2026)

    Blackbird Doughnuts - Harvard Square

    3.9(64 reviews)
    2.4 mi•Harvard Square, Riverside

    Stumbled upon Blackbird Doughnuts as they were in the only building we could find with a public…read morerestroom. I am glad we stopped in because it led us to find these incredible doughnuts. I asked the employee working if they were a chain and she explained they are a chain local to Boston. She also shared the doughnuts are made fresh every morning. They had a display case with the donuts featured and they sure looked great. We were pleased to find the actual donuts looked even better than the display! Both of our donuts were huge and the frosting/filling proportions were generous. The menu consists of classics and then a featured monthly selection. I picked a classic doughnut: chocolate sprinkle. My husband went with a may selection: cherry jam Bismarck. We both loved our selections. My husband said cherry filling is rare and the flavor was spot on. To be honest my only regret after how delicious we found the donuts to be is not getting more.

    Really good place for donuts, coffee and breakfast…read more Sometimes there is a line, and you will have to wait a little bit for your food. They open at 8 AM, but they don't necessarily have everything ready at 8 AM sharp, so you will have to wait. If you are in a rush, better off go to another place nearby that opens earlier and get out of the door.

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    Vegan donut (some kind of lemon/coconut)

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    Valentine's special!

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    Union Square Donuts - donuts - Updated October 2026

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