Place mochiko and salt in a large bowl and stir until thoroughly combined
2
Combine water, sugar, and corn syrup in a medium saucepan and bring to a boil over medium-high heat
3
Reduce to a simmer and cook, stirring, until sugar is dissolved, about 5 to 6 minutes
4
Make a well in the center of the mochiko mixture and pour in the sugar syrup
5
Stir until all flour is incorporated
6
Immediately turn dough onto a work surface lightly floured with mochiko and knead until smooth and elastic, about 4 to 5 minutes; dust with more mochiko as needed to prevent sticking
7
Pinch off tablespoon-size pieces and, using a floured rolling pin or your hands, flatten into 3-inch circles about 1/8 inch thick
8
Dust rice cakes with mochiko and place on a baking sheet lined with parchment paper
9
Cover in plastic wrap and store in the refrigerator or freezer, or use as desired.