Black Pepper Tofu

Name: Black Pepper Tofu
Ingredients: 2 cups canola oil; 1 3⁄4 lb. firm tofu, cut into 1″ cubes; 1⁄2 cup cornstarch; 11 tbsp. unsalted butter; 3 tbsp. finely chopped ginger; 12 small shallots, thinly sliced; 12 cloves garlic, crushed; 8 red serrano chiles, stemmed and thinly sliced; 5 tbsp. coarsely ground black pepper; 3 tbsp. kecap manis (sweet soy sauce; available at onlinefoodgrocery.com); 3 tbsp. light soy sauce; 4 tsp. dark soy sauce; 2 tbsp. sugar; 16 small scallions, cut into 1 1/4″ pieces; Cooked white rice, for serving