1. Preheat the oven to 400 degrees F (200 C)
2. Arrange half the lemon slices a single layer in a baking dish. Layer again with 2 sprigs of rosemary, and top with salmon fillets. Sprinkle salmon with desired flavor of Mrs. Dash salt free seasoning, layer with remaining rosemary sprigs, and top with remaining lemon slices.
3. Bake 20 minutes in the preheated oven until it is easy to flay the fish with a fork.