Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/4  cup           olive oil
     1/2  teaspoon      salt
     1/2  teaspoon      cayenne pepper
     1/4  cup           lemon juice
   2                    garlic cloves -- minced
   1                    shallot -- minced
     1/2  teaspoon      cumin powder
     1/4  cup           chopped fresh cilantro
   2      pounds        tuna fillet

Preparation:

In a small mixing bowl, combine olive oil, salt, cayenne, lemon juice, shallot, cumin and cilantro. Place tuna in glass or ceramic dish. Pour marinade over tuna and marinate 1 hour in refrigerator, turning once. Prepare grill and heat to medium. Brush grill with vegetable oil. Grill fish 4 to 5 minutes on each side. Garnish with cilantro sprigs and lemon wedges.