Silken Tofu Curry

• 2 carrots, diced into small cubes 3/4 cup frozen edamame, thawed 1 box silken tofu, cut into cubes 1 cup vegetable stock or water 1/2 teaspoon sugar 2 - 3 teaspoons curry powder 1 teaspoon garlic powder 1/2 teaspoon ginger powder 1/2 teaspoon onion powder 1/4 teaspoon salt 1 teaspoon soy sauce 1 teaspoon cornstarch oil for cooking