O2 Valley image

O2 Valley

Restaurant Cafe Bubble tea store Taiwanese restaurant

One of the Top rated Bubble tea stores in Cupertino


Address

19058 Stevens Creek Blvd, Cupertino, CA 95014

Website

o2-valley.com

Contact

(408) 564-0542

Price rating

$ $$$

Rating on Google Maps

4.50 (383 reviews)

Open on Google Maps

Working Hours

  • Sunday: (Easter), 11 AM to 9 PM, Hours might differ
  • Monday: 11 AM to 9 PM
  • Tuesday: 11 AM to 9 PM
  • Wednesday: 11 AM to 9 PM
  • Thursday: 11 AM to 9 PM
  • Friday: 11 AM to 9 PM
  • Saturday: 11 AM to 9 PM

Featured Reviews


Frequently mentioned in reviews: bento (9) good (8) chicken (8)
Reviews are sorted by relevance, prioritizing the most helpful and insightful feedback at the top for easier reference.
  • 4/5 Mike A. 1 year ago on Google
    The food variety here is astonishing, and the Taiwanese bento boxes are a really good lunch option. I'm not crazy about their fried chicken. The portion is so big but the chicken is a lot of batter, some bone, and some meat. Works best as a shared side. Would love to try their bubble tea options too as they look really good.
    2 people found this review helpful 👍

  • 5/5 Alan H. 1 year ago on Google
    Food: It’s absolutely bussin’. I ordered the R2 Chicken Cutlet Bento, and the chicken was crispy and not dry. Wish it had just a bit more seasoning on it. The side dishes/vegetables were cooked excellently — tasted as expected for stir-fried vegetables, not bland or oily — and the minced meat topping on the rice added savory notes to the rice. The portion size is larger than you expect — almost couldn’t finish my bento. The classic milk tea was fine, nothing special. 25% sugar, no ice. Service & atmosphere: This place is more aimed for takeout than dine-in, but it has plenty of dine-in tables. You just go in — don’t have to wait for staff — and take a table, scan the QR code, and order your food. Staff was friendly. Tl;dr worth it.
    2 people found this review helpful 👍

  • 5/5 Wei H. 2 years ago on Google
    I ordered Taiwanese fried chicken bento for lunch. This restaurant is so popular for not only the Asian people but also the Americans! I think the prices are okay because you will have three sides for a meal, and the entree is big serve! The dining area is so clean and bright! I will visit here again in the near future.
    1 person found this review helpful 👍

  • 5/5 Jemelee M. 2 years ago on Google
    Tasty Taiwanese cuisine. Bento boxes are huge! This place just opened and we plan to come and try out other dishes. A surprising place for boba tea 😁 Taro tea is only served cold, flavors are good.
    1 person found this review helpful 👍

  • 5/5 Elaine W. 2 years ago on Google
    Good portions of meat in their bento and tastes good. I usually get their basil popcorn chicken but I also like their gpie, pork, and squid. Everything is pretty good. For sides I like the tempura, oyster mushrooms, taro balls, taiwanese sausage, etc. All their food is pretty tasty.

  • 3/5 J O. 2 years ago on Google
    Not commenting on the tea, since we didn't order any. Ordered the fried pork. Flavor was pretty decent, and the amount of pork relative to the size of the box was reasonable, though the price of $15 for this bento was a bit steep for what it is. I did enjoy the crispiness if the pork as well. I did notice that the staff literally left a bucket of tea and another bucket of boba soaking in the public hallway. I don't know if that was intended to be sold, but if so....gross. really gross. Would I go again? Probably not. Tons of places to eat or get boba in the area. Would I recommend trying it? Sure!

  • 5/5 Tara T. 2 years ago on Google
    For $15, you get easily 2 meals' worth of delicious food. I recommend the 3 cup king oyster mushrooms (comes with rice, cucumbers, and some fried tofu) as well as R2, the fried chicken bento (comes with rice, lurou, cucumbers, and some egg with corn and baby shrimp). Snacks are tasty as well—they have Taiwanese sausage grilled and served with raw garlic as well as the special and somewhat-hard-to-find pig's blood sticky rice cake. Lovely place, great Taiwanese and Chinese pop playlist overhead, and friendly service.

  • 5/5 John G. 1 year ago on Google
    The basil popcorn chicken was amazing! It was warm and crispy and a good deal. Be sure to try dipping it in the spicy hot mushroom sauce (it not too hot).

  • 5/5 Ken N. 2 years ago on Google
    Squid bento meal isn’t bad at all, nowadays everything seems going up unstoppable. The price is perfect, a lots of squids and yummy! Tea egg is okay. The chick cashier is cute too,jk🤣.

  • 1/5 Leo Y. 2 years ago on Google
    06/11/2022. Slowly. The clerk did not pay a attention. . — Trash in the bento! But the manager quickly respond. Not too bad. The side dish is good today. I like squid(花枝)!But the pop chicken is not crispy today. 1/22/2022

  • 1/5 ZW Y. 7 months ago on Google
    I found a dead bug in my take out bento from O2 Valley. This greatly affected my dining experience and raises concerns about hygiene standards. It’s unacceptable and I don’t think I will visit again.

  • 3/5 E C. 9 months ago on Google
    Food was quick. Fried tofu wasn't as crunchy as expected. Big portions, good for quick meal. Will always have left overs.


Call (408) 564-0542 Open on Google Maps

Amenities


  • Parking
    • ✓️ Free parking lot
    • ✓️ Free street parking
    • ✓️ Somewhat difficult to find a space
  • Payments
    • ✓️ Debit cards
    • ✓️ Credit cards
    • ✓️ NFC mobile payments
  • Offerings
    • ✓️ Quick bite
    • ✓️ Comfort food
    • ✓️ Small plates
  • Popular for
    • ✓️ Lunch
    • ✓️ Dinner
    • ✓️ Solo dining
  • Accessibility
    • ✓️ Wheelchair accessible seating
    • ✓️ Wheelchair accessible entrance
    • ✓️ Wheelchair accessible restroom
    • ✓️ Wheelchair accessible parking lot
  • Dining options
    • ✓️ Lunch
    • ✓️ Dinner
    • ✓️ Dessert
  • Service options
    • ✓️ Dine-in
    • ✓️ Takeout
    • ✓️ Delivery
    • ✓️ No-contact delivery

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