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    Osaka's

    4.5 (274 reviews)
    Closed 5:00 pm - 8:00 PM
    Updated 2 months ago

    Osaka's Photos

    OSAKA'S ATMOSPHERE

    What's the vibe?
    Moderate noise
    Casual
    Outdoor seating
    Happy hour specials

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    Osaka's Ramen
    Holly D.

    My husband and I were staying at the Residence's Inn next door and were looking for a place for dinner. We were so glad we settled on Osaka's. The place was packed on a Monday night so you know it's going to be good. We were lucky to get a spot at the bar! We were so happy with our experience. The staff were incredible. The vibes were great. Everyone was so welcoming. The food was amazing. I had the Osaka's Ramen and my husband had the Osaka's Chirashi Sushi Box. I reluctantly let my husband try my ramen, it was so good I didn't want to share! He isn't much of a ramen guy but he said it was the best he'd ever had and was very jealous. We will definitely be back to try more dishes.

    Takoyaki
    Ian N.

    Modan Yaki (5/5): I've been to a lot of Japanese restaurants before but I don't think I've ever seen okonomiyaki as a dish before. I liked the cabbage pancake but the Yakisoba noodles and pork belly on top were my favorite parts. The sauce might've been a bit too sweet but I still liked it. Takoyaki (4/5): Pretty good takoyaki with a decent amount of octopus bits. I liked the dried bonito flakes a lot. Osaka's Ramen (3/5): I probably would've liked this if not for the red ginger. The flavor really soaked into the broth and ruined the dish for me. The noodles were pretty good though. (2/5 as is but probably more like a 4/5 without the ginger) RATING SYSTEM 5 - Great (Need to get this again) 4 - Good (Would get this again) 3 - Ok (Might give this another shot) 2 - Not Good (Won't get this again) 1 - Bad (Telling people to avoid this)

    Yuzu Paitan (Vegan Ramen)
    Karissa M.

    Wow we ate here while visiting Boulder after a hike in the Rockies and I would definitely go back just to eat here. The portions are large, the flavors are a hit, and they are more authentic than other places. Everything we ordered was great and we would certainly come back to try more. We arrived without a reservation and they were able to fit our party of 3 pretty quickly. Don't sleep on this place, it's worth it!

    Jon and the owner
    Peggy P.

    What a fun time! The food was uniquely delicious- thumbs up! Staff were cheerful and friendly. Our group (including two who have enjoyed dining in Japan) will be back!

    Unajyu
    Alex L.

    Still a favorite sushi spot in Boulder with fresh fish. They have outdoor seating on a nice day too!

    Okonomiyaki and Tonkatsu
    Jamie K.

    Honestly, for Boulder it's honestly not bad! The okonomiyaki -- which comes from the namesake city -- is something I hold a high standard to having just visited japan and I would come back here for it! Unexpected spot for authentic Japanese cuisine. The service and restaurant was hopping and warm -- great experience

    Butatama Savory Pork Belly Okonomiyaki with GF DF kale substitution
    Sarah F.

    THE TOPS! If you want a culinary adventure in a cute atmosphere with good service, come here! All the food was delicious, so let's talk about what sets this place apart. Highlights: Sincerely friendly staff The menu had so much variety to appease any pallet. Sushi, ramen, specialty dishes. Clearly market gluten-free and dairy-free options There was a device on the table to signal servers for when you needed something: to order, pay, etc. NO lowlights, but here is what to be prepared for: Timing: We were there on a Saturday and it got BUSY! Good sign for sure. But make a reservation, and be prepared to have the pace match the volume. It wasn't unreasonably slow by any means, but the kitchen was cranking out a lot of food. The sushi came out much faster than the hot kitchen food.

    Butatama aka  Okonomiyaki w/ Pork Belly -  A BIG MUST TRY!

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    2 years ago

    I was very underwhelmed by the sushi. The gyoza didn't have much flavor, and sushi was bland.

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    3 years ago

    Always a wonderful experience and the best ramen olive had in Boulder so far! The staff is helpful and courteous.

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    Osaka's - japanese - Updated August 2026

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