Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      pounds        minced fresh tuna
   2      tablespoons   whole grain mustard
   2      tablespoons   capers -- minced
     1/4  cup           cilantro -- minced
     1/4  cup           scallions -- minced
   1      tablespoon    chipotle puree
                        Spicy Mango Ketchup -- (recipe follows)

Preparation:

Prepare a wood or charcoal fire and let it burn down to embers. In a large mixing bowl, combine all ingredients and season to taste with salt and pepper. Refrigerate until ready to use. When ready to use, form into 1 inch thick patties. Brush tuna burgers with olive oil and season with salt and pepper. Grill for 1 minute on each side for rare. Serve on hamburger roll with Spicy Mango Ketchup.