For the Sauce:
1 small carrot, roughly chopped
1 1/2-inch piece ginger, peeled
2 tablespoons rice wine vinegar
1 tablespoon toasted sesame oil
1 tablespoon low-sodium soy sauce
Pinch of sugar
Kosher salt and freshly ground pepper
For the Burgers:
1 pound sushi-grade tuna
2 tablespoons plus 1 teaspoon extra-virgin olive oil
2 tablespoons low-sodium soy sauce
Juice of 1/2 lime
1/4 cup chopped fresh cilantro
1 tablespoon grated fresh ginger
Kosher salt and freshly ground pepper
1 cup spicy sprouts, for garnish
4 whole-grain hamburger buns
1/2 avocado, sliced

Read more at: http://www.foodnetwork.com/recipes/tyler-florence/...