San Francisco. Founded in 1852. Luscious filling. Celebrate the season of love with Ghirardelli's rich indulgent milk chocolate duet hearts filled with luscious, buttery caramel. Whether with friends, family or a special someone, these decadent chocolates are the perfect way to express that love is, in fact, better together. Ghirardelli of San Francisco since 1852. ghirardelli.com/sustainability. Cocoa Farming Program: For more information about our ingredients and sustainable sourcing visit ghirardelli.com/sustainability.