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
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.