Cornish Game Hens With Brandy Plum Sauce

Ingredients

• 4 Cornish game hens, about 20 ounces each
• salt
• 1 small onion, peeled and quartered
• 1 tablespoon butter, melted
• 1 stalk celery, diced
• 1 small onion, peeled and diced
• 1 large carrot, peeled and diced
• 2 tablespoons blackberry brandy
• 1 cup dried plums
• coarse salt, to taste
• freshly ground black pepper, to taste