His chef de cuisine, Fermin Martinez, was previously at Border Grill.

Susan Feniger and Mary Sue Milliken, owners and chefs at the Border Grill and City restaurant, persuaded other chefs to get involved.

Some chefs who like the chocolate, like Mary Sue Milliken, the co-owner of Border Grill in Santa Monica, Calif., say they don't use it because it is too expensive.

A well-known Mexican restaurant is the Border Grill, 1445 Fourth Street, (310) 451-1655.

Border Grill, whose owners are known as TV's "Too Hot Tamales," introduced a high-quality version of Mexican food to an upscale audience.

The dinner ended with a honey-glazed walnut cake created by Mary Sue Milliken, chef at the Border Grill in Santa Monica, Calif.

Across town at the trendy Border Grill, a similar dish was offered as a luncheon special for $12.50.

AS she had on so many other evenings after work, Jean Shapiro sat on a barstool at Pancho's Border Grill in Great Neck last week, drinking and schmoozing with a client and a friend.

These bravehearts include Mary Sue Milliken and Susan Feniger, who seem more like sisters than co-workers, though they have worked together at Border Grill in Santa Monica, Calif., since they opened it in 1981.

Chefs on the Move Ivy Stark, who worked at Border Grill in Santa Monica, Calif., and Ciudad in Los Angeles, is the new chef at Zócalo, 174 East 82nd Street.