Pat salmon fillets dry lightly on both sides with a paper towel, then place on a rimmed baking sheet.
Combine equal parts Kosher salt and granulated sugar in a small bowl, then stir to combine. You can scale up or down depending on how much salmon you're using.
Allow the fish to sit out at room temperature for 10-15 minutes to remove excess moisture and water.
Either place the cured salmon in an ice bath or rinse under cool water, using your hands to gently rub off any remaining salt and sugar. Pat dry with a paper towel, then place on a cutting board.
Using a sharp knife, cut the salmon into bite size cubes. Shown here, the salmon is cut into 1-inch cubes, but you can certainly cut them to any size you like. Use immediately in all your favorite salmon recipes!