6525 Washington St, Yountville
Biggest chocolate bar in the world
Opened in 2011, Kollar Chocolates is centrally located in Yountvillle at V Marketplace. They sell truffles, barks, and other chocolate confections online and at their European-inspired shop. They also sell espresso drinks and gelato at the shop. And you can watch them making chocolates in their glassed-in open kitchen.
Kollar is one of our recommended chocolatiers. Try their more adventuresome chocolates.