I tried the classic beef sukiyaki onigiri, which was topped with thinly sliced beef and onions, and I was pleasantly surprised by how much flavor was packed into each bite. The rice was perfectly ...

Try substituting flavored tuna packets (spicy Thai chili works well), or make it more "Americanized" by using pulled pork or ground beef as a filling. You can even turn it into yaki onigiri by ...

Think everything from classic ume plum and salmon flakes to more unlikely combinations like bacon and cheese or curry and ...