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    Once Upon A Slush

    4.5 (52 reviews)
    Closed 1:00 pm - 8:00 PM

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    ONCE UPON A SLUSH ATMOSPHERE

    What's the vibe?
    Dogs allowed
    Happy hour specials
    Outdoor seating

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    Recommended Reviews - Once Upon A Slush

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    Orange cream/strawberry and Sour Apple/strawberry $12 each.
    Bobby L.

    I'm sure glad the ice cream place across the street ran out of all the flavors we wanted to try because we discovered this place and it is amazing! I don't know why there aren't more reviews on this place. I don't usually give out 5*'s unless I really like the establishment and this place exceeded by expectations. I want to note this place is super clean, hidden away in a back alley off the main street, when we walked in this place was very clean and well decorated especially for Halloween! Firstly, they use Straus Cream for their soft serve! Super creamy with a silky smooth texture and decadent. We ended up getting the combo which is $12 and you choose a slush and a soft serve flavor. I would recommend getting the vanilla, which you wouldn't normally hear me say, but the machine adds this syrup/flavoring in the soft serve that isn't really my favorite. We got the sour apple slush in one and orange cream in the other with strawberry soft serve. Service here is a little on the slower side because it was the owner working the entire shop by himself orders and all, but he was super nice and friendly. This place would give meadowlark in Pleasanton a run for it's money for sure! I'd like to add that their pup cup sizes here are generous and my dogs loved it! When I'm in the area I'll be back!

    Sour Apple and strawberry Orange cream and strawberry

    Owner was super nice and informative. The flavors were super refreshing And not syrupy. The price was amazing for the amount we got. We can't wait to go back again.

    Regular chocolate soft serve and orange slush combo
    Kristine K.

    Thanks to Yelp Elite Jamie C's review, I got the orange slush and chocolate soft serve combo and it was very yummy! The flavor combination was excellent, but I also enjoyed each flavor on its own. I got the regular size which was very generous, good for sharing. Service was fast and friendly, and we enjoyed sitting outside at the nearby plaza to listen to live music on a Sunday afternoon.

    Combo mango slushy & caramel soft serve.in alternating layers.
    May O.

    Once Upon A Slush is a small cute shop hidden in a little courtyard. It serves, slushies, Strauss organic soft serve, coffee drinks, hot dogs, popcorn, soup, chilli, and grilled cheese sandwiches. The slushies and soft serve are the stars of Once Upon A Slush. You can even make combos or shakes of a slushy & soft serve. There are five tables for indoor seating, and two tables for outdoor seating. I came here after my husband noticed a lot of young people coming out of Once Upon A Slush. We were curious about what everyone was eating from there so we wandered in. Like a lot of customers, we ordered a combo of a slushy & a soft serve. We chose a combo of mango slushy & caramel soft serve. It was served in alternating layers of slushy and soft serve which was nice to get the change after a few bites. It was delicious and refreshing for a warm day. The mango slushy was sweet, soft, and had a lot of mango flavor. The caramel soft serve was creamy & sweet. The owner, Dave, was friendly and was a one man show. He took the orders, made the products, and served the orders. He was quick though. Once Upon A Slush is a cozy little place where one can gather with friends for coffee, slushies, soft serve, and snacks. Or just take it to go. The special treats from Once Upon A Slush are delicious and we will be back,

    root beer soft serve and cherry slush!
    Jamie C.

    Great dessert spot in downtown Petaluma! I love walking here after a nice dinner out, it's such a fun treat. The inside is small but decorated with a cute fantasy theme, and the people working are always so friendly! Although it is located in the American Alley, so the surrounding area isn't the nicest, but I personally like to take it over to the edge of the river and enjoy it there! The four of us ordered a couple different things! I ordered a small combo with root beer soft serve and cherry slush. One thing I will note is that the depending on what flavor slush you get, it can be a little flavorless. Finding one that is good can take a little bit of trial and error! Personally, I like the cherry slush with a select few soft serve options. The root beer was very good! One of my friends ordered a kids sized combo with chocolate soft serve and orange slush. Such a delicious combination if you like orange and chocolate! It tasted just like a Jaffa Cake. The orange is also one of the better slush flavors. Another one of my friends got a kids sized toasted marshmallow soft serve with root beer slush. This tasted just like a root beer float, and will probably be my new favorite order from there! It was so yummy. The fourth friend ordered a small banana soft serve, and it tasted exactly like a banana laffy taffy (if you're into that)! Not my personal favorite but worth a try. Overall I would absolutely recommend trying this Petaluma staple at least once if you're in the area!

    This is an orange frozen confection with soft serve vanilla. The shop is a very small with a cool location. Never had anything like it and the quality is sensational. Many flavors of soft serve and frozen confection that can be combined all sorts of ways. The density and taste are perfect. My granddaughter and I loved it! We're going to take Dave (the owner) a copy of his place with the flying unicorn.

    Orange Cream slush with Vanilla Soft Serve and a Shirley Temple Slush with Fruity Cereal Soft Serve

    The slush and soft serve were so good! There were so many options to choose from, I will definitely be coming back

    Cherry vanilla and mango strawberry
    Krystal R.

    Soo good!!! So many flavors to pick from!! The kids will love on a hot day or just for a sweet snack!

    Slush and soft serve w lotsa toppings!
    C Z.

    This place was so fun! Formerly a Wicked Slush (if you're familiar). Dave helped us and was the most amazing host. He had us try so many samples and they were all amazing. Can't wait to go back!

    Vanilla soft serve
    Calvin G.

    A small ice cream and soft serve store in Petaluma. The location is a bit difficult to find it's in an alleyway. The place was pretty packed but the wait was around 5 minutes. We got the small combo and child soft serve. The child size was perfect for me the cup sizes are pretty large despite the name. The soft serve was creamy and delicious. The flavor wasn't too milky or creamy just the right taste. Definitely a place to check out!

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    Thank you for coming in!!

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    7 months ago

    Yummy! Very friendly service from the young latina girl with the dry hair. Would eat again.

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    9 months ago

    Super nice people, slushes were amazing. Generous portions as well. Must experience while in Petaluma.

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    Ask the Community - Once Upon A Slush

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    This is one of the best Bing su Korean shaved ice places in the area. (My other favorite is Sul and…read moreBeans in Cupertino). The fruit is fresh and sweet and they include a lot of it. I just wish they added mochi to the sweet sunset shaved ice, the. It would be perfect for me! They gave me a free birthday sundae to redeem for this whole month which was a cup of vanilla ice cream and sprinkles. Service was quick and there were plenty of tables to sit at, not too crowded. They have a nice air conditioned area to sit in.

    Came here with a group of five on a Sunday evening after a heavy dinner. Shaved ice seemed like a…read morelight-enough dessert after a meal like that. Bingsoo is popular nowadays, but I don't see many around Campbell, so this was a nice surprise to find on Yelp. The parking is ample and shared in a plaza with apartments and other businesses. Even though it was cold outside, the store was full. Almost every table inside was taken. The space itself was decently clean, although a bit cramped because of how crowded it was. Our group ended up sitting outside since a lot of the larger tables indoors were occupied by only one or two people. You can grab your own chairs by the bathroom if you have a big group. I liked that menu was extensive. Besides shaved ice, they also had boba, tea, ice cream, and taiyaki. We waited maybe around 10 minutes for our order. We checked out a couple of games available near the front for customers to borrow. We shared one large mango cheesecake shaved ice and one medium Biscoff shaved ice. Mango cheesecake - This was AMAZING. My first bite tasted like heaven. The flavors worked together so well and the cheesecake wasn't overly sweet. The mangoes were ripe and sweet. Biscoff shaved ice - I enjoy Biscoff in general, but this didn't compare to the mango cheesecake at all. It was too sweet and more icey/watery. Chamomile tea drink -This paired nicely with the cold desserts. It was warm and refreshing at the same time. I almost never order nor see chamomile tea on menus so this was cool. One note: there was a water station available, but the cups were SO small. Maybe 2-3 gulps of water per cup. I wish they were bigger. Overall, I enjoyed coming here for dessert after our big dinne I think this is a nice addition to the Campbell.

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    A swirled cone of pineapple soft serve floating in a cup of pineapple juice and partially shaded by…read morea colorful cocktail umbrella. Dole Whip is a well-known dessert, but in case you've been living under a rock just know it comes from a place known for Aloha and good vibes as well as from The Happiest Place on Earth. With origins like this how can you resist? For some, having a Dole Whip brings back good times, but for everyone, it is a refreshing and delicious way to cool off. Trader Jim's brings this treat to the Bay Area in what might be the cutest way possible - in a customized mobile trailer! Just take a look at photos and you'll know what I mean. This review is mainly for their catering service, which we had booked for our wedding earlier this summer. While there were a lot of things to be indecisive about in the early stages of wedding planning, this was definitely an easy decision for us and we booked early and right away. Like I said, how can you resist the idea of this at an outdoor summer wedding? It's even cool with the vegan crowd! We worked with Lauren for the booking and details and it was a fantastic experience. She was easy to work with and the communication along the way was good and clear. They were very flexible with our timing and schedule needs, which is an extremely valuable thing when it comes the the logistical nightmare that weddings can become. So come the big day, everything went smoothly in terms of them arriving on time and setting up. It looked amazing, tasted heavenly, and they handled the swarm of eager wedding guests with fast but friendly service! We could not have asked for a better finish to our special evening!

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    Once Upon A Slush - icecream - Updated May 2026

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