From their website –

Los Jarritos is family owned and operated by the Reyes family of San Francisco. For over 45 years, the Reyes family has contributed to the unique and colorful culture of the Mission District.

On the Corner of S. Van Ness and 20th, close to Mission. I had lunch there on consecutive days. What a great place, clean, bright and friendly with an excellent menu. I only regret that I was alone both days (I was sick) so I couldn’t order as extensively as I’d have liked. My personal yard stick for Mexican food – the Mole – was lovely – rich and smokey. Not really what anyone should be eating for lunch, but it was only chance… I will return in the evening with a small posse at my earliest convenience.

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