Poached Salmon Fillets with Watercress Mayonnaise

Ingredients:

• 3/4 cup mayonnaise
• 1/2 cup finely chopped watercress leaves
• 1 tablespoon coarse-grained dijon mustard
• 1 teaspoon fresh lemon juice
• 1/3 cup water
• 1/3 cup dry white wine
• 1 shallot, thinly sliced
• 4 fresh parsley sprigs
• 1 fresh thyme sprig
• 6 6-ounce center-cut salmon fillets with skin

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