Julienning fresh basil leaves is a way to cut them into thin, long strips for use in salads or other dishes. Here is a step-by-step guide for how to julienne: 1. Wash the basil: Rinse the leaves under cold water and pat them dry. 2. Stack the leaves: Gather a 4-6 basil leaves together on a clean cutting board, stacking them neatly. 3. Roll the leaves: Roll the stacked leaves tightly into a cigar-like shape. 4. Julienne the leaves: Hold the rolled leaves firmly with one hand and, using a sharp knife with your other hand, make thin, parallel cuts across the rolled leaves. to create fine julienne strips. 5. Use immediately: Basil can quickly oxidize and turn brown, so it's best to use the julienned basil immediately in your dish.