Secret Sauce

248 reviews

+1 (909) 946-0441

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Pork katsu plate with rice and macaroni salad

White rice, pork katsu, Japanese curry, macaroni salad, and house salad. Excellent service! We'll definitely come again.

903 W Foothill Blvd Ste B

Upland, CA 91786

+1 (909) 946-0441

https://secretsauceupland.com

Secret Sauce is a unique establishment in Upland, CA that specializes in crafting delectable sauces and condiments.

With a focus on quality ingredients and innovative flavor combinations, Secret Sauce offers a variety of products that cater to diverse culinary preferences.

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Reviews

5.0248 reviews

Stuart S.

3/18/2025

Cozy little katsu shop. Front of house is super friendly. Portions are big and flavorful. It is a build your plate (ala Subway,Chipotle,Poke places) which I love because I like to experiment....

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Paulina G.

3/9/2025

I went to Sprouts and decided to pick up some Katsu at Secret Sauce for lunch. I built my own plate with white rice, chicken katsu with pear curry, house salad, and fruit salad. I really liked...

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Jose D.

3/2/2025

Great service Nice ambiance Food is delicious. Clean restaurant Customer restrooms High chair for kids Large tables Canned Sodas, teas/juice, beer, and bottled water.

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Sonya M.

1/29/2025

Five star for it's value! Delicious chicken/pork katsu (with curry) bento for $14 each, you get 2 layers or katsu. That's plenty of food. You can choose the sides (e.g., rice, salad, steamed...

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Brandon K.

2/20/2025

After a long hike, I was craving my Japanese food and went here. Rancho has some of the worst Asian food if any at ALL, but this place is a godsend. I got pork katsu with curry. Food was...

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