The demand for ethnic foods in supermarkets has continued to increase due to several factors, as reported in Facts, Figures and The Future by The Lempert Report. Among them:

• Intermarriage is on the rise. About 15 percent of all new marriages in the United States in 2010 were between spouses of a different race or ethnicity from one another, more than double the share in 1980 (6.7 percent), according to Pew Research Center.
• The growth of Hispanic and Asian populations in the United States continues. By the year 2050, Hispanics are projected to...