It's all about the layers in these tasty tostadas. Start with crispy, gluten-free corn tortillas, then top with a flavorful combo of black beans and walnuts cooked with tomatoes and spices, followed by your favorite vegetables.
Kate Koo makes horenso no goma-ae, a popular Japanese side dish of spinach dressed in a sesame seed paste, and rolls it into traditional hosomaki sushi.