Pat salmon filets dry with paper towel.
Mix sour cream, mustard and lemon juice in small bowl.
Spread mixture evenly over each salmon filet. Sprinkle with Old Bay seasoning.
Preheat contact roaster.
Place salmon, skin side down, directly on surface of roaster.
Set timer and cook, covered, 10 minutes or until salmon is cooked through (min. 145°F)