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    Diho Siam

    3.8 (472 reviews)
    ModerateChinese, Thai
    Closed • 11:00 am - 3:30 pm, 4:30 PM - 9:00 PM
    Updated 1 month ago

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    Business Info

    DIHO SIAM ATMOSPHERE

    What's the vibe?
    Casual
    Moderate noise
    Outdoor seating
    Good for groups

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    Recommended Reviews - Diho Siam

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    Avo fresh rolls
    Jessie D.

    Absolutely delicious. We like the mission viejo location but this one did not disappoint. Pad Thai and fresh rolls are classic, and these are spot on. Ample portions that were more than enough for 2 (or 3). Our server seemed to forget us at times outside, but it was a little busy. The inside wasn't super accessible as the inside seating is was quite tight. Not great if you have a stroller or mobility issues.

    Lucy H.

    Stumbled upon this cute little Thai restaurant in the Rockfield plaza. Our go to pho place in Lake Forest was closed at 8:45pm and we had 30 min to eat to pick up our kid. Upon letting the staff know our time constraints they positively responded and took our order and informed their cooks. Our pad see ewe with beef and tom yum noodle soup was delish. The pad see ewe was the best I've ever had. Made to perfection with their chili was perfect. The tom yum came with tofu and other veggies inside with thicker rice noodles. This is going to be our go to Thai. Service was excellent. The restaurant is also very clean and classy.

    Menu
    Ellen W.

    My go to South County Thai place. Consistently great, fast, efficient service and fresh, yummy, quality food. Patio, booth and table seating.

    Front
    Michael Y.

    Unfortunately, as of today, Diho is no longer our weekly go-to restaurant for Thai food, they just increased the menu prices across the board, we noticed a number of dishes are 25% more expensive, and what we always came for were the lunch specials which are also no longer a good deal, as $14, $15 or $16 for an entree is not really "special", it just brings it to market level pricing along with the other restaurants in this plaza, which I believe are not really worth except for one. We used to overlook Diho's occasional slow service at times, or tofu that went bad and then other times when our order was wrong, we just accepted it because the prices were very reasonable, we didn't expect as much because of the value. That has now changed. With higher prices, I would expect decent service and today was not too great. We waited a while before someone even came to our table with a menu, we had to get our own pepper, had to ask for the crispy noodles- which other tables had and normally just come to the table, my food and my dish was disappointing, less specific veggies than I usually have. This will probably the last time we come to Diho for a while, we will especially miss coming to Diho for a great value, but at these prices, there are now better options with better service and food around Lake Forest.

    Pad Thai Lunch Special with Salad
    Edith M.

    Delicious food here! They offer both Chinese and Thai and both menus are outstanding. My favorite thing to order is their chicken pad Thai. It is one of the best I've tasted and I love to ask for extra peanuts and no spice. Then ask for their chili oil. Yum! They have a great lunch menu that comes with salad or soup. Truly a great place to dine or takeout! Must try this place. Also, it's worth noting that their staff is incredibly friendly and they always make sure you get great service while dining here. Inside is nice, clean and the vibe is casual. Must try spot!

    Drunken noodles
    Tammy S.

    The plaza that this restaurant is located in has many options. The other restaurant that we meant to go to was closed so we decided tk come here for lunch instead. I ordered pad thai from the lunch special menu and my friend ordered the drunken noodles. My pad thai was delicious and I love the peanuts that come with it. Drunken noodles were served on a bed of lettuce. Very satisfied with the quantity that is served. Salad came first. Then the entree. The pad thai is one of the best pad thais that I've had. Part of it is because I'm partial to the amount of peanuts that is served with it. My friend was a little disappointed with the limited drink options. But overall I would come back to visit and order the pad thai again.

    Shaska L.

    Insane giant menu since Diho Siam seems to have two full sized menus, one for Thai and the other for Chinese cuisine. I had lunch there with a friend and I ordered the drunken noodles with pork. She ordered the sauteed ginger mushroom trio with pork. Both dishes were very good tasting. Pleasantly surprised by the portion size for the noodles. I liked it so much I went back the next day to order takeout. The ginger mushroom trio again, mushroom chicken, red curry with pork, and twice cooked pork. Once again, I was pleased to note the generous portions, this time for the dinner entrees. Standouts were the ginger mushroom trio and twice cooked pork. It's actually interesting that the twice cooked pork tasted nothing like classic twice cooked pork, didn't use the same ingredients such as pork belly or dried bean curd but was a tasty dish nonetheless. Sadly though, the mushroom chicken, which also did not follow the classic recipe, did not taste as good. It really was more of an overcooked veggie chicken stir fry. The red curry was also disappointing, very sweet and not much flavor. So, a hit or miss with half the dishes. The service was very friendly both times. Nice that they give you white rice at no extra charge. Menu states brown rice available for a couple bucks more. Oh ambiance is nice for the inside of the restaurant, looks fresh and recently renovated. However, the only restroom available requires a trip through the kitchen to the very back. Seems like a health code violation idk. Still weird either way. My friend who has worked in restaurants noted that it made her feel like she worked there. Generous portions but that's only nice when you like the dish you ordered.

    Candace D.

    What a nice friendly family owned place...everyone knows everyone..the food was delicious and made to order..nice seating area...cozy and not too loud..I had spicy chicken drunken noodles...and egg drop soup ..so YUMMY! Also the chicken mixed vegetables with shrimp served with rice....fast dining...great food and excellent service ...it's a MUST TRY for sure...

    Papaya Som Tum Salad - tasteless
    Elle J.

    Just terrible. Their other location is way better. I ordered online which is easy and decided to try this location for the sake of comparison. They have pretty affordable lunch specials, and I'm all about a good deal! Papaya salad: tasteless. I asked for spicy and there was zero spice. Totally not worth the $12 or so. Pad Thai: I ordered veggie and they gave me chicken. My order was a to go order so of course I was far away and couldn't get the order fixed. Honestly this shopping center has lots of options for food and there is zero reason to go here. Next time I'll try the sushi place or the Vietnamese place. Diho won't be getting another penny from me. I will say they have fair prices (when you can eat the food) and the portions are good.

    Pad Se-Iew Lunch Special with fried tofu
    Lucy H.

    They have the best lunch specials in town. The food is always piping hot, generously portioned, and consistent. My go to is the pad see ew with fried tofu, with generous amounts of their addictive chili sauce and pickled chilis in vinegar. Their drunken noodles, Panang curry, pineapple fried rice, pad thai, squid in Thai basil sauce, are all tried and true. On Mondays and Wednesdays they serve their hot and sour soup during lunch. Did I mention their amazing tom yum soup?

    Table

    We absolutely love the food here, but there is an abusive server named Dang who is loud and obnoxious and intimidating to not only the servers, but to customers! I am horrified that Management does not do something about this evil woman. She is literally driving people away. We walk by and peek in the window to see if the sweetest waitress Becky is there, but if we see Dang we leave.

    Best of the best noodles ever!!!

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    2 years ago

    My favorite place to eat! Food is great and affordable, may favorite is drunken noodles.

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    4 years ago

    Good food, , good service, Great Server - Dang! She has Great Humor. Loved the dessert dish Sticky Rice w/Mango.

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    5 years ago

    This place is horrible. Not once but twice they have given me chicken curry when I have requested tofu curry. This place is horrible.

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    5 years ago

    Second time. Still enjoying the curry. Service still ok. Decor is standard. Will come back.

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    Page 4 of 12

    Ask the Community - Diho Siam

    Does Diho Siam contain MSG?

    I'm fairly sure they do NOT use MSG. I am very sensitive to MSG and dine there frequently, and have never experienced any issues.,

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    Frank’s dumplings & noodles by sheungshui  - SheungShui Seafood Hotpot

    Frank’s dumplings & noodles by sheungshui

    4.4(406 reviews)
    3.7 mi
    •$$

    A friend brought us to try this noodle spot in Lake Forest…read more This restaurant is part of the Shang Shui group, which has two locations next to each other. We visited the simpler Shang Shui Noodle House(Frank's dumplings and noodles) while the restaurant next door, Shang Shui Bistro(Frank's bistro Chinese cuisine) , focuses more on elevated Hunan and Cantonese dishes. Once we walked in, we could just find a seat and order through the QR code menu. It was convenient since we could take our time looking through the options. We ordered: 1. Roasted Duck Noodle Soup $19.99 2. House Special Fish Fillet Noodle Soup $15.99 3. Pork Knuckle Noodle Soup $16.99 Everything tasted pretty good! I ordered the signature fish fillet noodle soup, which was one of their recommended dishes. My husband thought the fish soup had the best flavor among the three dishes we tried. The portions were just right, and the prices were very reasonable. For the noodles, I would recommend choosing udon or ramen. My husband and our friend chose rice noodles, but they became too soft and broke apart easily when picking them up with chopsticks. After dinner, we stopped by Frank's bistro Chinese cuisine next door to take a look. The interior is much more upscale, and they also use a QR code menu. Most dishes are around $20 and up. We chatted with one of the staff members, who mentioned that they opened in August last year and focus on authentic Cantonese and Hunan cuisine. He was also proud to share that their dishes are freshly prepared, not the typical pre-made food you might find elsewhere. Will definitely come back to try the dishes at Shang Shui Bistro next time. Sharing this spot for anyone looking for Chinese noodles or authentic Chinese cuisine in the area! Frank's Dumplings & Noodles 20651 Lake Forest Dr STE A-102, Lake Forest, CA 92630

    We've been meaning to try this place for awhile now. We've tried their sister restaurant Frank's…read morenext door and wasn't impressed when they first opened. It's been awhile so I'm willing to give it another shot. Plenty of parking outside, the restaurant itself is really cute with tasteful decor. You order with a QR menu from the table. We ordered fish noodle soup, the 3 dumplings and soy sauce chicken with rice. Everything was pretty good! The fish noodle soup had a good fish profile in the soup, with a kick of white pepper which I liked. It tasted clean and healthy. The dumplings were really good. It definitely tasted like in house made dumplings. Much better quality than other restaurants in the area. The soy sauce chicken rice wasn't bad. But I thought the price was a little egregious. It should be max $15. All in all I'm glad we gave this "chain" another chance.

    Photos
    Frank’s dumplings & noodles by sheungshui  - Interior

    Interior

    Frank’s dumplings & noodles by sheungshui  - Buns

    Buns

    Frank’s dumplings & noodles by sheungshui  - Bone-in bangbang chicken

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    Bone-in bangbang chicken

    Kuan Zhai Alley

    Kuan Zhai Alley

    4.3(317 reviews)
    1.7 mi
    •$$
    Outdoor seating
    Free parking

    Came by for lunch on the weekend and the place was packed! We managed to grab a seat but I can see…read morethis filling up or getting to a wait if it was any busier. They have a very Szechuan focused menu with most of the classics. Interior is lively and the space is on the smaller side. Service was prompt and all our food came quickly. The twice cooked pork was a little salty but came with generous ratio of pork to veggies. The hot and sour soup was piping and well flavored. Everything was spicy but not unbearable, and their food was all generously portioned.

    The short female server was extremely rude and had a very unpleasant attitude. We noticed that she…read moregave a larger table to customers she seemed familiar with, while assigning us a much smaller table even though we had the same number of people. What made it even more frustrating was that the restaurant was practically empty at the time, so there was clearly no issue with the restaurant being too busy or running out of available tables. The way we were treated felt unfair and very disrespectful. If you're willing to spend money just to be judged and treated differently based on who you are, this is definitely the place for you. Highly recommended!!!! To clarify the situation: When we entered the restaurant, it was clearly not a busy hour. There were plenty of empty tables available. If your policy is that certain four-person tables are reserved exclusively for customers who make reservations in advance, then that policy should be clearly stated to customers rather than being applied selectively. When we arrived, there was a customer dining alone who was seated at a table for three. Later, another customer who appeared to be familiar with the short female server also came in alone and was given a larger three-person table. So just to clarify: were all of these tables reserved in advance as well? Or does the "reservation" rule only apply when it comes to certain customers? No one wants to sit at a tiny table in the middle of the aisle when there isn't even enough space to comfortably fit four dishes. We are not complaining simply because we were given a smaller table. The issue is the obvious inconsistency in how the seating was handled. If there is a legitimate seating policy, it should be applied consistently to everyone--not selectively depending on who the customer is.

    Photos
    Kuan Zhai Alley
    Kuan Zhai Alley
    Kuan Zhai Alley

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    Diho Siam - chinese - Updated September 2026

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