Food Processor

The pesto can be made up to 1 hour before serving without losing its freshness; store it at room temperature.

You can substitute any variety of ripe tomato for the heirlooms called for here.

This recipe works equally well with other cheeses: Try a mild fontina or Comté in place of the Gruyère.

Thai chiles are small, fresh red or green chiles, and are very hot. For a milder flavor, remove the seeds. You can substitute 1 fresh serrano chile. The flavors of Southeast Asia were the inspiration for these lean burgers, which are wrapped, Vietnamese-style, in lettuce.

This marinade may be made in advance and kept in the refrigerator for 2 days.

Let dressing sit overnight to meld flavors.