Reserve 1/4 dough. Knead 1 Tbls. Grated lime peel, 1/2 tsp. Lemon extract & a few drops of green food coloring into remainder of dough. Reserve 1/4 green dough; shape remainder into 10" * 2" log. Roll reserved plain dough out to 10 * 6 1/4" rectangle; wrap around green log for pith. Roll reserved green dough out to 10 * 7" rectangle; wrap around log for peel. Cut log lengthwise in half; refrigerate 1 hour. Slice 1/4" thick; bake 10-12 minutes.