Tuna and Avocado Tartare Tostada

Name: Tuna and Avocado Tartare Tostada
Ingredients: Canola oil, for frying; 4 flour tortillas, cut into 2-inch by 1-inch rectangles; Kosher salt; 1 ripe avocado, peeled, pitted and chopped; 3 tablespoons fresh lime juice; 2 teaspoons honey; Kosher salt and freshly ground black pepper; 12 ounces sushi grade tuna, finely diced; 2 tablespoons mustard oil; 1 tablespoon olive oil; 2 tablespoons capers, drained; 1 tablespoon chipotle pepper puree (from chipotles in adobo sauce); 3 tablespoons chopped fresh cilantro leaves; 1/4 cup finely sliced green onion; 1 ripe Hass avocado, peeled, pitted, and finely diced