Lobster Sauce for Mashed Potatoes

INGREDIENTS

• 1/2 cup butter
• 2 (7 ounce) cans lobster meat, diced
• 1 medium onion, diced
• 2 large stalks celery, diced
• 2 carrots, peeled and chopped
• 1 teaspoon minced fresh thyme
• 1/8 teaspoon chopped fresh parsley
• 1 teaspoon whole black peppercorns
• 1/8 teaspoon seasoned salt
• 1 bay leaf
• 1/8 teaspoon lemon juice
• 1/4 cup all-purpose flour
• 2 tablespoons tomato paste
• 1/2 cup cream sherry
• 1 quart heavy cream
• 1/2 teaspoon salt and pepper to taste