Heat oven to 450 degrees. Pat salmon fillets dry and place on a baking sheet lightly sprayed with nonstick spray.
Season salmon with kosher salt and black pepper. Roast in the oven until salmon is almost cooked through.
Meanwhile, melt the butter and add the Crown Maple Syrup to a small saucepan; tear the dill leaves from the stems and add to the mixture. Warm over medium-low heat to infuse the syrup.
Reserve 1/3 maple syrup mixture and set aside. Baste the fillets several times with the remaining syrup mixture. Once salmon is done, remove from the oven and brush with reserved syrup; serve.