Kajiken

112 S B St, San Mateo

Recent Reviews Order Online

Customers' Favorites

Mushroom Aburasoba with Ajitama Seasoned Egg and Mentaiko Spicy Cod Roe
Oroshi Ponzu Karaage with Grated Daikon Green Onions and Ponzu
Pan Fried Gyoza with Ponzu Sauce
Spicy Minced Pork Aburasoba
Ajitama Soft Boiled Eggs
Karamen Spicy Aburasoba
Keema Curry Aburasoba
Roast Beef Aburasoba
Hiyayakko Cold Tofu
Original Aburasoba

Menu

SIGNATURE
HOMURA ABURASOBA
spicy minced pork, tokyo onions, bamboo shoots, seaweed, fish powder, chives, raw egg yolk (can sub poached egg or half ajitama)
NIKUMORI ABURASOBA
spicy minced pork, pork belly slices, green onions, chili threads, raw egg yolk (can sub poached egg or half ajitama)
ROAST BEEF ABURASOBA
roast beef, crispy onions, green onions, chaliapin sauce, yogurt sauce, and raw egg yolk (can sub poached egg or half ajitama)
ORIGINAL ABURASOBA
chashu, bamboo shoots, tokyo onions, seaweed
KARAMEN ABURASOBA
diced chashu, chili powder, crunchy garlic w/ chili oil, cabbage, chives, bean sprouts, and raw egg yolk (can sub poached egg or half ajitama)
MUSHROOM ABURASOBA
shimeji, king trumpet mushrooms, spinach, tofu, and red onions (vegan ok)
KEEMA CURRY ABURASOBA
curry minced pork, parsley, raw egg yolk (can sub poached egg or half ajitama)
TANTAN ABURASOBA
spicy minced pork, green onions, bean sprouts, bok choy, chili threads, sesame seeds
SHIO ABURASOBA
chashu, bamboo shoots, tokyo onions, green onions, seaweed

APPETIZERS
OROSHI PONZU KARAAGE
with grated daikon, green onions, and ponzu
SWEET & SALTY KARAAGE
with sweet & spicy sauce, and chili threads
ORIGINAL KARAAGE
with mayonnaise and lemon
TAKOYAKI
6 pieces of deep fried balls with octopus, okonomi sauce, mayonnaise, aonori, and bonito flakes
PAN FRIED GYOZA
with ponzu sauce
EDAMAME
with salt
DEEP FRIED GYOZA

RICE
WHITE RICE
CHASHU RICE
diced chashu, green onions, and seaweed
MENTAIKO RICE
mentaiko (spicy cod roe), green onions, and seaweed
ROAST BEEF RICE

Toppings
add Mentaiko (spicy cod roe)
add Menma (bamboo shoots)
add Nori (seaweed)
add Mayonnaise
add Fish Powder
add Curry Powder
add Kimchi
add Cheese
Add Negi (green onion)
Add Chashu
Add Corn
Add Ajitama (seasoned egg)
Add Poached egg
Add crispy onion
Add tofu
Add nira (chives)
Add Cabbage
Add Moyashi
Add extra chili oil & vinegar
Add raw egg yolk

Photos

Photo credit: google
Photo credit: google
Photo credit: google
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Photo credit: michelin
+38 photos
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Recent Reviews

From someone who doesn’t even like noodles, I had to come check this place out because social media couldn’t stop raving about it. The noodles with yogurt are what really set it apart, such a unique combination. The chicken karaage was juicy and had its own distinct flavor too. I’ll definitely be back!
February 2026
Pretty tasty meal and very filling, but not something I’d wait in line for though. The thicc noodles were probably my favorite part, and all the toppings were good too. I wish the flavors were a little more balanced though - the Top 1 aburasoba was very flavorful but it was a little much for the full duration of a meal in my opinion, and the original aburasoba lacked a bit of the punch - good thing they have more sauces and toppings at every table.

Really...
January 2026
This is such a gem in San Mateo and is our favorite soupless ramen of all time.

Their aburasoba justifies their long lines, but don’t let it intimidate you. We only waited 10 minutes since they move fast and it was just us 2 on our lunch date.

Favorite is Nikumori (generous portions or pork) and their new minced beef and pork with bamboo.
January 2026

More Reviews

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Kajiken

112 S B St, San Mateo, CA 94401