Prepare cookie dough. Roll out dough and cut with Oak Leaf Cutter. Bake cookies and cool completely on cooling grid. Outline cookie with tip 3, using full-strength orange color flow; let set. Flow in with thinned orange color flow in cut disposable bag. Immediately pipe tip 1 outline veins, using thinned brown color flow; let set.
*Combine Orange with Red-Red for orange shown. Combine Brown with Red-Red for brown shown.