Salmon Wellington Recipe | The Hearty Boys | Food Network

Ingredients

• 6 tablespoons butter
• 3 leeks, washed and sliced
• 1 red onion, finely sliced
• 2 tablespoons dried tarragon
• 1/2 cup white wine
• 1 teaspoon salt
• 1 teaspoon ground black pepper
• 2 puff pastry sheets, thawed
• Flour, for dusting surface
• 1 egg plus 2 teaspoons water, for egg wash
• 1 (3-pound) salmon fillet, skin removed
• Dijon Whipped Cream, recipe follows
• 1 cup heavy cream
• 1 tablespoon Dijon mustard
• 1/2 teaspoon white pepper