Heat spices together in small saucepan until fragrant. Place in a spice grinder until fine.
Preheat cast iron skillet. Lightly coat each side of the tuna loin with the spice mixture. Sear each side of tuna in 1 tablespoon of canola oil. Leaving center of tuna very rare, set aside.
Place leaves of limestone lettuce in mixing bowl. Add 3 to 4 tablespoons of the Toasted Sesame Vinaigrette, toss, and plate. Slice ahi tuna into bite size pieces and arrange on top of lettuce. Garnish with sliced ginger.
This recipe was provided by professional chefs and has been scaled down from a bulk recipe provided by a restaurant. The FN chefs have not tested this recipe, in the proportions indicated, and therefore, we cannot make any representation as to the results.
Place shallots in a saucepan, cover with water, and simmer. Cook for 10 minutes, until tender. Drain shallots and put in a blender.
Toast sesame seeds in a small skillet until light golden brown.
In a mixing bowl, combine the vinegars, mustard, salt, and sugar. Stir lightly. Add mixture to shallots in blender and puree for about 2 minutes.
While blender is running add both oils slowly. Add sesame seeds and blend 1 minute. Strain mixture and adjust seasoning.
Recipe courtesy of Le Petit Pier Tahoe Vista, CA