Recent social media posts
10/19/2025
Have you tried our croffle yet?
It's the flaky croissant meets crispy waffle. Golden, buttery layers pressed to perfection, with just the right amount of crunch on the outside and soft, airy goodness inside. Then topped with sweet cream, fresh fruit, or chocolate drizzle... It's dessert magic in every bite.
Pair it perfectly with a refreshing boba drink or coffee on hand. Stop by today!
📍102 S 21st St, Philadelphia, PA 19103
10/09/2025
You already know the vibe PHILLY!!... Green on deck, and Mochi donut in hand.
Load up on your Mochiatsu favorites, crispy Korean corn dogs, chewy mochi donuts, and delicious bubble tea that'll keep you pumped through every touchdown!
Let's go EAGLES!! fly Eagles fly!!
📍102 S 21st St, Philadelphia, PA 19103
02/20/2024
Your mid day snackie provided to you by Mochi Ring! Our crispy, flakey, doughy croffle. It's sweet, creamy and fruity.
📷️ Strawberry croffle, coffee croffle with Biscoff
croissant waffle, dessert, donut store, philly donuts, dessert shop in philly, philly bakery, drexel university, temple university, upenn, usciences
12/08/2023
⚠️ Your taste buds might spiral out of control and take you on a wild ride! Swing by Mochiatsu and taste these crispy and savory Tornado Potatoes today.
Tornado Potato flavors:
Parmesan cheese
Original
Cheetos
11/23/2023
We're OPEN on Thanksgiving 10:30am to 2:30pm
Happy Thanksgiving 🥰
03/24/2023
Hooray for the weekend! This is the perfect way to start your Friday night!!
Try our Korean rice dog with Cheetos, potato, original, or ramen. Then choose either mozzarella cheese, hot dog, or half cheese, half hotdog.
01/13/2023
From dough to delicious, here's a sneak peek behind the scenes of making our mochi donuts!
01/06/2023
Thank you, 2022. Thank you to the cool peeps who came to visit us, who supported us, and help us to continue making delicious donuts every single day!
2023 is going to be a blast⚡️
12/30/2022
Ringing in the new year with a donut in one hand and a resolution to eat more donuts in the other.
Happy new year to everyone. We wish every a content year ahead! ☮️❤️✨
12/23/2022
I may have gone a little overboard at Mochi Ring today…but at least I have enough to share with myself 😄
Address
102 S 21st Street
Philadelphia, PA
19103
For those traveling to S 21st Street in Philadelphia using public transport, you can take the SEPTA Market-Frankford Line to the 15th Street Station. From there, it's a short walk south on S 15th Street and then east on Walnut Street to reach S 21st Street.
If you prefer driving, you can take I-76 E towards Philadelphia and take exit 345 for PA-3/West Chester. Continue on PA-3 E/West Chester Pike and then turn left onto S 21st Street. There are various parking garages and street parking options available in the area for your convenience.
Opening Hours
| Monday |
10:30am - 8pm |
| Tuesday |
10:30am - 8pm |
| Wednesday |
10:30am - 8pm |
| Thursday |
10:30am - 8pm |
| Friday |
10:30am - 8pm |
| Saturday |
10:30am - 8pm |
| Sunday |
10:30am - 7:30pm |
Alerts
Be the first to know and let us send you an email when Mochiatsu Philly Rittenhouse posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.
Contact The Business
Send a message to Mochiatsu Philly Rittenhouse:
What people say
Mochi Ring Donut on S 21st Street in Philadelphia is a delightful haven for those with a sweet tooth and a penchant for unique treats. Offering a tantalizing array of Mochi donuts, Korean corn dogs, and aromatic coffee, this charming spot is a must-visit for dessert enthusiasts.
One standout item on their menu is the Strawberry croffle, a crispy and flakey croissant waffle that is both sweet and fruity. Paired with a cup of their specialty coffee croffle with Biscoff, it's a match made in dessert heaven. The Oreo croffle is another crowd favorite, boasting a buttery and creamy texture dusted with Oreo crumbs - truly a decadent treat for any occasion.
For those looking to satisfy their savory cravings, Mochi Ring Donut also offers Tornado Potatoes in flavors like Parmesan cheese, Original, and even Cheetos. Their Korean rice dogs are also not to be missed, with options ranging from Cheetos to ramen toppings and choices of mozzarella cheese or hot dog fillings.
With such an innovative and mouthwatering selection of treats, Mochi Ring Donut stands out as a top destination for those seeking delicious desserts in Philadelphia. Whether you're stopping by for a quick snack or indulging in a full-on dessert feast, this doughnut shop promises to delight your taste buds with every bite.