*Depending upon the size of salmon cans available at your store, you may have a little more or less than 15 ounces if you use the full amount in the cans; err on the side of a little more salmon, vs. less (for example, if your store carries 6-ounce cans, use 3 for 18 ounces of salmon total vs. 2 for only 12 ounces salmon total).
TO BAKE IN THE OVEN(will be drier than stovetop method but certainly very edible!): Preheat the oven to 400 degrees F. Arrange the patties on the baking sheet as directed (no need to refrigerate). Mist the tops with nonstick spray. Bake in the center of the oven for 8 minutes. Remove the pan from the oven, gently flip the patties, and coat the other side with nonstick spray. Return to the oven and continue baking until the croquettes are golden and cooked through, about 8 to 10 minutes more.
TO STORE: Refrigerate croquettes in an airtight storage container for up to 2 days.
TO REHEAT: Very gently rewarm leftovers in a skillet on the stovetop over medium-low heat or in the microwave.
TO FREEZE: Place croquettes on a parchment-lined baking sheet and freeze until solid. Transfer the frozen croquettes to an airtight freezer-safe storage container for up to 3 months. Let thaw overnight in the refrigerator before reheating.