Crispy Tofu Cubes With Mango And Avocado

Name: Crispy Tofu Cubes With Mango And Avocado
Ingredients: 1/2 cup sweet chili sauce; 2 tablespoons rice vinegar; 1 tablespoon grated fresh ginger; 1 tablespoon soy sauce; 16 ounces extra-firm tofu; 2 tablespoons cornstarch; 2 tablespoons canola oil; 1 large ripe mango, diced; 2 ripe Haas avocados, diced; four large lettuce leaves, torn into bite-sized pieces