1 cup all-purpose flour 2 tablespoons cornstarch 1 tablespoon garlic powder 1 tablespoon onion powder 1 teaspoon kosher salt 1 teaspoon baking powder 1 large egg 3/4 cup water 1 tablespoon gochujang (Korean chile paste) 1 cup kimchi (homemade or store-bought), chopped (6 ounces) 1/4 cup shredded mozzarella cheese (1.5 ounces) 1/4 cup shredded cheddar cheese (1 ounce) 2 tablespoons canola oil, dividedIngredients