Lobster Buttter | Recipes on Rails

Ingredients

• 1 each Onion small, diced
• 1 rib Celery diced
• 1 clove Garlic minced
• 1 each Carrot peeled, minced
• 1 teaspoon Thyme fresh, minced
• 1 teaspoon Tarragon fresh, minced
• 1 each Bay Leaves
• 1 1/2 pound Lobster
• 2 tablespoon Cognac
• 3 tablespoon Tomato Paste
• 2 pounds Butter unsalted