Orange Spritz

Preheat oven to 350 degrees, with racks onupper and lower thirds. On a piece ofparchment paper, pat out dough to 1/2inch thick. Sprinkle zest evenly over top;knead to incorporate.Transfer to a cookiepress; pipe shapes, about 1 inch apart,onto ungreased baking sheets.

Bake cookies in upper and lower thirdsof oven, switching positions of sheetshalfway through, until edges are lightgolden, about 15 minutes. Transfer towire racks to cool completely.

Set a small heatproof bowl over a panof simmering water; add half the chocolateto bowl, and stir until melted andsmooth. Add the remaining chocolate;remove bowl from heat. Stir until smooth.Transfer chocolate to a pastry bag fittedwith a very small (less than 1/16 inch) plainround tip, such as Wilton #1.

Transfer cookies to a sheet of parchmentpaper. Pipe chocolate in a zigzagpattern over tops. Let stand until chocolatehas set.