VEGETABLE STOCK FOR 10-HOUR BRAISED LAMB

Vegetable Stock for 10-Hour Braised Lamb image

Provided by Martha Stewart

Yield Makes about 3 quarts

Number Of Ingredients 15

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2 large onions, peeled and quartered
2 medium leeks, trimmed, washed, and roughly chopped
2 ribs celery, roughly chopped
2 small parsnips, peeled and roughly chopped
2 small white turnips, peeled and roughly chopped
3 cloves garlic, smashed
1 cup mushrooms or mushroom stems
1/4 cup extra-virgin olive oil
1/2 cup lightly packed fresh flat-leaf parsley leaves and stems
2 teaspoons fresh thyme leaves
1 bay leaf
10 peppercorns
1/4 cup white wine
2 teaspoons coarse salt
1 tablespoon white-wine vinegar

Steps:

Preheat oven to 400 degrees. Place onions, leeks, celery, parsnips, turnips, garlic, and mushrooms in a large roasting pan. Drizzle with olive oil and toss to coat. Transfer to oven and roast, stirring occasionally, until vegetables are lightly browned, about 45 minutes.
Transfer vegetables to a large stockpot. Add 2 cups water to roasting pan and scrape up browned bits from bottom of pan; pour into stockpot. Add 10 cups water to stockpot, along with parsley, thyme, bay leaf, peppercorns, wine, and salt. Bring to a boil over high heat, then reduce heat to low. Partially cover pot and gently simmer stock until vegetables are very soft, 30 to 45 minutes.
Strain stock through a fine-mesh sieve into a large bowl; discard solids. Stir vinegar into stock and use immediately or cool to room temperature and transfer to an airtight container. Refrigerate for up to 3 days or freeze for up to 2 months.