Fast-growing restaurant chain Kura Sushi USA is quietly building an empire at a fraction of its peers' valuation.

When you think of fast-growing restaurant chain stocks , you probably think of coffee sensation Dutch Bros or chicken wing specialist Wingstop . It's true that these brands have been expanding rapidly. Dutch Bros already has more than 1,000 locations, and Wingstop has more than 2,500.

But because those franchises have grown so much, eager investors have already bid up their share prices. What if you could have bought these companies in their infancy, when they only had a handful of locations?

My favorite restaurant chain stock currently has just 81 locations, but also a proven concept and big expansion plans. Here's why I'm picking Kura Sushi USA ( KRUS 2.16% )

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