Hiyaaa!

Vegetarian and tofu salad - $11, portion size was good enough. Salad was warm and taste was alright, but got cold very quickly in my two-minute walk back to the office. Service was nice, and the food was made very quickly (less than 5 minutes).Next time order: more mushrooms, japchae.

Not very flavorful, got the bibimbap with chicken. The chicken was kinda bland and had some not so tasty sauce sprinkled over it. For $14, was really underwhelming. Lots of better options around the city.The sauce for the salad was not great either. Tasted like something I would get from a grocery store sweet and sour. The quantity was enough though so at least you'll be full :)

Decent food truck to consider for lunch but Hiyaaa! follows the predictable modular menu of meat option in a rice bowl, salad, or sandwich form factor. The meat options in the case of Hiyaaa! are a combination of Vietnamese, Korean, and Chinese. I had a fried chicken rice bowl and it was decent. I liked the textured of the fried chicken but thought the meat was a little dry and under seasoned. But all up when combined with the sauce and the salad, it was a perfectly fine lunch albeit slightly unmemorable. I've heard the Bulgogi beef is pretty decent though. In the vast SF food truck scene, Hiyaaa! isn't a standout but does a decent job at delivering food that carries well as you chow down on the go.

Hiyaaa!? I think, HiNoOoOo!!!With its tag-line, "Serving kicking flavors...", I expected more from this Asian-Fusion (Vietnamese & Korean) truck especially when they claim to have "bold and balanced" flavors. Just like a majority of the Asian Fusion trucks out there, they've dumb-downed their flavors in order to appeal to the masses. On its first debut at Off The Grid - UN Plaza today, I wafted through the scents emitting from the Arki Truck (Fried Chicken & Donuts) as I silently cursed my lo-carb diet. #$%^& ^$@#&%What drew me to Hiyaaa! was its menu. II liked that they give you the option to have your meal one of the following ways:1) ON A ROLL ($7-$9): http://www.yelp.com/biz_photos/8OjAOE0ygNiOiGn1H71oaw?select=n3OfbxciZjDr1EO7RGKvCA2) OVER RICE ($9): http://www.yelp.com/biz_photos/8OjAOE0ygNiOiGn1H71oaw?select=XgxE8nVp20UbHfAQmqoF8g3) IN A SALAD ($9): http://www.yelp.com/biz_photos/8OjAOE0ygNiOiGn1H71oaw?select=ZLv0r9Q0PHUDeOx7GBiw3QYou can also do a Combo which is a mini-version of all three for $9. I opted for their Daily Special: Ginger Infused Pork Belly (In a Salad - $9)http://www.yelp.com/biz_photos/8OjAOE0ygNiOiGn1H71oaw?select=d17Kj3Rt_zQofppEF54bygThe two seared slices of pork belly had a high ratio of lean meat to fat which I appreciated but the bland pork belly had ZERO ginger essence and it was very dry especially around the edges. With a high fat content like pork belly, the fat should keep the lean meat succulent but the lean meat had the texture of pork jerky. One of the quintessential and most enjoyable parts of the pork belly is the crispy rind (skin). Not that I would have eaten it (ok, maybe just a nibble) but there was none. The pork belly was placed alongside fresh mixed greens and pickled carrot and daikon which lacked the familiar acidic punch that I'm used to.Sadly, there was nothing "bold" nor "balanced" about this salad. Perhaps, I should have just got the Fried Chicken and Donuts from the Arki Truck and Hiyaaa'd it at the gym tomorrow morning. *looks down at expanding muffin top* Ummm, ok maybe not...OTHER NOTES:*Friendly service (hence the 3rd star)*Vegetarian options available*CASH ONLY

TERRIBLE SERVICE!!!Can't expect much from a food truck.They were posted at the TruckStop location in FiDi. It's later in the afternoon, the lunch crowd is long gone. I ordered a SIMPLE SIDE (spice tofu bites) and it really took me 10 minutes to get PLUS they were pumping out other people's orders of full meals that ordered AFTER ME. That really bothered me.1) *see picture* Tofu Bites. Wasn't worth the $5.50, really worth $2. Taste, the tofu is mushy and the hot sauce is basically siracha.2) What took so long to prepare it? I was #27, they served #28, #29, and #30 all who ordered full meals and ordered after me3) what kind of fusion is this? korean, vietnamese, chinese.... with none of the above nationalities in the truck4) service was slowHate me for my review, it is what it is. Sorry.Until the next review....

Another truck I tried at the San Mateo Night Market. I didn't have much in the way of expectations for this truck as I had only heard of the name and not of what they serve so with that in mind my husband and I went with our 'safe' option of ordering Curried Chicken (http://www.yelp.com/biz_photos/8OjAOE0ygNiOiGn1H71oaw?select=vhpcljx4UyKVg12gd_DkgA#oj0r0PZi6C4eaoSdN6oZkw) $9. Portion size was decent and I liked the fact that it came with a serving of salad too. The shredded Chicken was somewhat of a surprise to me, mainly because I'm used to having curry with big chunks of Chicken but I really enjoyed the different texture and it made it a lot easier to eat too which at a food truck event is a big plus. Sauce was tasty, not too spicy but the rice was a bit sticky.3.5 rounded up to a 4.

They catered Vietnamese noodle bowls for our company lunch. They were very friendly. They let me have a combo of chicken, pork and tofu. The pork was the Star with kind of a dry satay seasoning. Very umami! Chicken was chicken -- not particularly memorable but very respectable. Tofu was yum, too! With a little fish sauce and the pork, it was finger licking good!

I ordered the lemongrass chicken in a salad. It's okay. The chicken was really hard to chew and pretty dry even though it was cubed and smothered in sauce. The salad was normal with a few pickled veggies to give it some flavor. On my last visit, I had the curry chicken, and it, too was dry (while drenched in curry). I like to give my restaurants multiple visits before making a review. So sad. The name and truck look really cool, but just could not perform :(

I'm grateful that Hiyaaa! came to my workplace because we don't have many options for food around, however I was a bit disappointed with the quality of my meal.I had the beef bulkogi over japchae noodles, which was mediocre at best. At $14, I felt that it was overpriced and the quality of the beef was lacking. The meat was also a bit chewy and greasy. The japchae was ok. I appreciate that you can customize your order (choose a protein, choose a side) and I may give them another try if they come to my neck of the woods again.

Tried the sampler combo at Off The Grid. The beef bun was good, especially die to some type of spicy mayo they include.The curry chicken was dry and very boring. Didn't help that it was served over cold rice.The salad was good but the meat on top was dripping with oil. All in all, I'd go with the beef sandwich.