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OC Mart Mix

Coffee Orange County

Interview: Jeff Duggan (Portola Coffee Lab + THEOREM)

In Orange County, Jeff Duggan has become synonymous with specialty coffee. The trained chemist and tech world veteran started roasting beans at home in 2000, experimented with commercial roasting at Irvine’s Layer Cake Bakery...
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Tea Orange County

Interview: Jeff Duggan (Seventh Tea Bar)

In Orange County, Jeff Duggan has become synonymous with specialty coffee. The trained chemist started roasting beans at home in 2000, experimented with commercial roasting at Irvine’s Layer Cake Bakery and launched Portola Coffee...
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Coffee Menu Orange County

Theorem: Progressive Costa Mesa Coffee Bar Joins Portola Mix [CLOSED]

From the moment Portola Coffee Lab opened in Costa Mesa’s OC Mart Mix in 2011, Jeff Duggan’s forward thinking company invited scrutiny thanks to their outfits (lab coats) and brewing equipment (space age). However,...
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