1.   In a large bowl, mix all of the ingredients together, except the sesame seeds, and stir until well-blended.

2.   Press sesame seeds into both sides of tuna.

3.   Place sesame seeds on a separate shallow plate.

4.   Set aside a few sesame seeds for garnish and toast the rest with the almonds in a dry skillet, tossing them over moderate heat until browned.

5.   Sprinkle sesame seeds over.