Red-Wine Reduction

Ingredients

• 1 large onion
• chopped
• 2 small celery ribs
• chopped
• 2 carrots
• chopped
• 3 garlic cloves
• chopped
• 1 1/2 tablespoons olive oil
• 1 1/2 (750-ml) bottles dry red wine (4 1/2 cups)
• 1 (750-ml) bottle Ruby Port wine (3 cups)

Instructions

1. Saute onion, celery, carrots, and garlic in oil in a 6-quart heavy pot over moderately high heat, stirring, until golden, about 10 minutes.
2. Add wines and simmer, stirring occasionally, until mixture is reduced to 1 quart, about 1 hour.
3. Pour through a sieve into a saucepan and simmer until reduced to 2 cups.
4. Reheat reduction and season with salt and pepper before using.