Rows of potted cocoa plants from around the world. Before a cocoa variety from one country can be planted in another, it first makes a pit stop here, at a quarantine center in rural England.
Courtesy of Dr. Andrew J. Daymond
For Valentine's Day, Helen Jo, the pastry chef at Little Bird Bistro in Portland, Ore., mixes white chocolate with crunchy cereal, spicy pepper and a pinch of salt to make a French bonbon called rocher.
Deena Prichep for NPR
A box of five Cadbury Creme Eggs in London. The confectioner's decision to change the chocolate used to make the outer shell has left many in the U.K. in "shellshock."
Anthony Devlin/PA Photos/Landov