1. Coat an 11x7 baking pan with cooking spray.

2. Place the salmon on the pan, skin side down.
Sprinkle brown sugar, salt, and pepper over the salmon, then drizzle with liquid smoke. Cover the pan, and refrigerate for 4-8 hours.

3. Drain liquid from the salmon. Preheat the oven to 350°.

4. Bake salmon uncovered for 35-45 minutes or until the salmon flakes easily. Cool the fish to room temperature, then cover and refrigerate for 8 hours or overnight.

5. Serve with lemon slices and capers, if desired.