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    Diho Siam

    3.8 (473 reviews)
    ModerateChinese, Thai
    Closed • 12:00 pm - 9:00 PM
    Updated 1 month ago

    Order Diho Siam Takeout or Delivery

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    Business Info

    DIHO SIAM ATMOSPHERE

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

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    Recommended Reviews - Diho Siam

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    yellow curry (gaeng garee)
    Joriene M.

    Yellow Curry Lunch Special ($13.95) - I love a good lunch special and I highly recommend this one! The curry was very flavorful. Plus, this came with a side salad that had a sweet and savory dressing.

    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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    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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    Spice Thai - Pad See Ew (w/ chicken)

    Spice Thai

    3.9(464 reviews)
    0.8 mi
    •$$

    Omg! This location closed?! This was the best Thai food in the area! Awwwwwww I'm so sad! I live in…read moreLA but work in Lake Forest. So I'm super close to the authentic Thai restaurants in Thai town and this was by far the closest I've ever got in Orange County to having a similar taste. If you are the owner or anybody who used to work here, can you please tell me that you have another location cause I'll drive there I don't care where it is in Orange County. You guys are the best.

    This Thai Restaurant bills itself on their website as the "Best Thai Food in Orange County."…read more Before ordering I asked the woman running the restaurant if this is truly the Best Thai Restaurant in Orange County. She confirmed that it was. While I have not dined at all OC Thai restaurants to compare, they did a great job here and I would come back. My Spicy eggplant with chicken and brown rice was excellent. The portion size was above average which is critical for this guy that burns through food like a Ford F350 burns through gasoline. They gave and adequate amount of veggies (and you cannot have too many veggies in this dish especially peppers) and a good portion of chicken. You choose spice level on a scale of 1 to 10. I picked 3 as a guess and would not go much higher than that next time. Their brown rice is incredible--you will not find better anywhere. Service is efficient, respectful but no time to sit at your table and chat with you. One Asian woman was serving the entire restaurant and the pickups and did a great job. She was as efficient as 3 teens combined at any retail store. LOL But don't come here if you are in a mad rush. I really liked the atmosphere here. While the place in general could use a deep cleaning during their closed day I really liked the atmosphere inside which they kept cooler on a hot day (bring an extra shirt or jacket). Good place for dining alone, friends meal, family, date night or pre-romantic dinner. Everyone will feel comfortable here. There is no Valet, but a large parking lot of free and easy parking.

    Photos
    Spice Thai - Their cool spoon! haha

    Their cool spoon! haha

    Spice Thai - Fried Banana with Coconut Ice Cream. The fried banana was delicious!

    Fried Banana with Coconut Ice Cream. The fried banana was delicious!

    Spice Thai - Complimentary soup

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    Complimentary soup

    Diho Siam - chinese - Updated October 2026

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