Salmon Rillettes

Ingredients

• 1/2 pound center-cut, skinless salmon fillet
• 1 tablespoon anise-flavored liqueur, such as Pernod
• Salt
• Freshly ground white pepper
• 1 celery rib
• 1 leek, halved lengthwise
• 1 small onion, quartered lengthwise
• 1 bay leaf
• 1 teaspoon black peppercorns
• 1 cup dry white wine
• 4 cups water
• 5 tablespoons unsalted butter, softened
• 1 large shallot, minced (1/4 cup)
• 1/2 tablespoon sour cream
• 1/4 pound skinless hot-smoked salmon, flaked
• 2 tablespoons snipped chives
• 1 1/2 tablespoons fresh lemon juice
• 1 tablespoon extra-virgin olive oil
• 1/4 teaspoon smoked sweet paprika
• Toasted baguette slices, for serving