Seemor
Bon, NeneB+Worth Trying
2850 21st St, San Francisco, CA 94110
· Japanese restaurant
· 4.5/5 Google (559 reviews)
Delivery · Takeout · Outdoor seating
Cozy Japanese-fusion spot known for mentaiko spaghetti and katsu curry; expect a wait, tight quarters, and solid food at fair Mission prices.
Why it gets a B+ for overall quality
Bon, Nene delivers solid neighborhood dining with standout food quality in signature dishes like mentaiko spaghetti and katsu curry that justify its loyal following. However, inconsistent execution across portions and availability, combined with limited allergy guidance, prevents a higher grade. The warm, intimate setting and fair Mission pricing make it worth visiting for those who enjoy casual Japanese comfort food, though tight seating and peak-hour waits require flexibility.
Restaurant Summary
Bon, Nene feels like a neighborhood nook where lines form early, the room stays warm and bustling, and staff aim friendly even when slammed. Diners talk about the intimate wood-accented space and whisper that the mentaiko spaghetti is worth the wait. One guest summed it up: cozy date-night energy with casual service that can lag when the room is full. The cooking leans Japanese comfort with playful fusion: creamy mentaiko spaghetti, crisp katsu over rich curry, and izakaya bites. It is more heartfelt bistro than high theater, best for those who enjoy umami-forward classics rather than elaborate tasting flights. Portions skew rice-heavy on bowls and modest on pasta, keeping prices in check for the Mission. For families, it works if kids like familiar staples: chicken katsu, karaage, rice, and mild curry. The menu shows tofu and vegetarian options, but guidance for gluten or shellfish sensitivities is limited. Space is tight, so strollers fit best at off-peak times; a high chair has been provided by staff in past visits.
At a Glance
- Mentaiko spaghetti and katsu curry draw consistent praise
- Cozy vibe with fair Mission pricing
- Waits of 15–45 minutes at peak and tight seating
- Limited allergy guidance and occasional stock outages
- Creative/fusion menu - not traditional comfort food
What Sets It Apart
- Japanese-Italian fusion pasta focus
- Cozy neighborhood vibe
- Fair pricing for Mission
What People Love
- Creamy, umami-rich mentaiko pasta
- Crisp, satisfying katsu curry
- Cozy, intimate atmosphere
- Reasonable pricing for the area
Points of Concern
- Expect waits and cramped seating during peak hours
- Allergy and dietary guidance often unclear per multiple diners
- Inconsistent portions on rice bowls and occasional out-of-stock items
- Review patterns show creative fusion flavors that may not suit conservative palates
Service & Dining Experience
Service StyleTable Service
Average Cost$34-46 per person
ReservationsNot required
What to Order
- Pair mentaiko spaghetti with karaage for balance
- Value seeker: Small bite + curry or tofu bowl to stay under $30–35
- Gluten-sensitive diners should confirm ingredients directly with the kitchen due to limited guidance
Perfect For
- Casual date night with comforting Japanese flavors
- Weekday lunch when lines are shorter
- Small-group catch-ups over pasta and curry
- Solo bite off-peak at the communal table
Location Insights
Area: Lively Mission District side street with neighborhood foot traffic and date-night energy.
Safety: Generally busy and well-trafficked; standard urban awareness advised at night.
Nearby: Near Valencia corridor bars and eateries; popular for casual dates and small groups.
Mission DistrictThe Mission District offers a lively dining environment with a mix of traditional taquerias, trendy cafes, and innovative restaurants. It is known for its casual yet eclectic atmosphere, attracting a diverse crowd interested in authentic and fusion cuisines. The neighborhood is walkable, culturally vibrant, and popular for both daytime and nightlife dining experiences.
Valencia CorridorThe Valencia Corridor is a trendy stretch within the Mission District known for its boutique shops, bars, and a concentration of popular eateries. It has a youthful, energetic vibe with a focus on artisanal and locally sourced food, making it a hotspot for foodies and social gatherings.
Practical Information
Opening Hours
Monday
Tuesday12:00–14:30, 17:30–21:30
Wednesday12:00–14:30, 17:30–21:30
Thursday12:00–14:30, 17:30–21:30
Friday12:00–14:30, 17:30–21:30
Saturday12:00–15:00, 17:30–21:30
Sunday
Available: Delivery, Takeout, Outdoor seating
View full analysis on Seemor →