Sure thing. First up, if you'd like them to rise a bit, you can add 1 teaspoon baking powder when you add the cornstarch. u003cbr/u003eu003cbr/u003eIn terms of additional fillings, diced sour pickles, kimchi, or shredded cabbage (sauté with the shallot) would be a great move. Or experiment on your own. This is definitely not a place for rules.u003cbr/u003e