Duck Tacos

Name: Duck Tacos
Ingredients: 1 moulard duck breast (about 1 pound), fat layer trimmed to 1/3 inch; Salt and freshly ground pepper; 1 cup cilantro leaves; 1/2 pickled jalapeño; 1 garlic clove; 2 tablespoons fresh lime juice; 2 tablespoons vegetable oil; 8 corn tortillas, warmed; 1 carrot, shredded; 1 scallion, thinly sliced; 1 cup radish sprouts