Photos:: 7 Leaves Cafe

7 Leaves Cafe patrons place their orders in Garden Grove in May. The name stems from the seven ingredients used in the chain’s herbal tea.

A customer selects handmade ganache-filled macarons at 7 Leaves Cafe in Garden Grove in May.

A display of macarons at 7 Leaves Cafe in Garden Grove.

Tim La of Newport Beach works at his laptop at 7 Leaves Cafe in Garden Grove in April. In Orange County, the cafe’s core clientele includes students from USC, Cal State Fullerton and other Southern California schools,

Leanne Chang, 18, of Garden Grove studying at 7 Leaves Cafe in Garden Grove in April.

Manager Adam Alvarez makes an artisan black coffee at 7 Leaves Cafe in Garden Grove in April. The Nguyen siblings shared a devotion to the centuries-old arts of pressing ingredients by hand.

A 7 Leaves Cafe employee serves a cup of love cream, a secret menu beverage that contains jasmine milk tea with extra milk and caramel at the Garden Grove location.

7 Leaves Cafe co-owner Sonny Nguyen selects a macaron from a tray in Garden Grove in May. He and his brothers quit their safe middle-class jobs to chase a risky entrepreneurial dream.

Cal State Long Beach graphic design and film major Joshua Mathis, 19, of Garden Grove, talks with a friend at 7 Leaves Cafe in Garden Grovein May.

Wendy Le, from left, of Garden Grove, Van Nguyen, of Elk Grove, and Anh Dam, of Orange, have a drink and talk at 7 Leaves Cafe in Garden Grove in May.

This year, the Nguyen brothers and their backers expanded beyond their Southern California base to other markets including Las Vegas.

The 7 Leaves Cafe in the Venetian resort is the company’s second location in Las Vegas.

Customers attend the grand opening of a 7 Leaves Cafe at the Venetian in Las Vegas in March.