General Tsos Cauliflower

Name: General Tso's Cauliflower
Ingredients: * 2 tablespoon canola oil; * 1 tablespoon ginger, minced; * 4 clove garlic, minced; * 5 whole dried red chili pepper; * 1 tablespoon sake; * 1 teaspoon sesame oil; * 3 tablespoon soy sauce; * 2 tablespoon mirin; * 2 cup plus 1 tablespoon water; * 2 tablespoon cornstarch; for the cauliflower:; * 1/2 cup cornstarch; * 1/2 cup rice flour; * 1/2 teaspoon baking powder; * 2 teaspoon kosher salt; * 1 tablespoon ground ginger; * 3 tablespoon sesame seed; * 1 teaspoon crushed red pepper; * 1 cup cold water, plus more a needed; * 1 1/2 pound cauliflower,; * canola oil for frying; * 2 cup jasmine rice, cooked; * 2 scallion, cut thinly on the bia, for serving; * additional sesame seed, for serving