The Japanese spice blend shichimi togarasi is combined with white and black sesame seeds, making a crust for pork tenderloin in this amazing dish. A rich, tangy butter sauce compliments the meal perfectly. The Japanese spice blend shichimi togarasi is combined with white and black sesame seeds, making a crust for pork tenderloin in this amazing dish. A rich, tangy butter sauce compliments the meal perfectly. March 18, 2020March 18, 2020 by Haley Lynn The Japanese spice blend shichimi togarasi is combined with white and black sesame seeds, making a crust for pork tenderloin in this amazing dish. A rich, tangy butter sauce compliments the meal perfectly.