What is it?
An herb in the mint family (genus Perilla), ruffly shiso leaves are available in both red and green varieties. Each variety has a slightly different flavor profile: The green is citrusy with just a hint of spice, while the red (which is actually more purple than red in hue) is less spicy with notes of anise. Use them in salads, or as a wrap to hold any variety of fillings. They are also classically used in Japanese cooking; the red leaves contribute the pink color to Japanese pickled ginger. Look for them in Asian markets.
Wasabi powder and fresh shiso (also called perilla and Japanese basil) are available at Asian food markets. The wasabi needs to be made at least two days ahead so the…