Ingredients
1 large or 2 small leeks, light-and dark-green parts only
1 large carrot, scrubbed and cut into 2-inch pieces
1 celery stalk, cut into 2-inch pieces
1 cup good-quality vegetable broth, such as Aneto, or water
Preparation
Combine all ingredients with 4 cups water in a medium saucepan. Bring to a simmer over medium-high heat, then reduce heat to low and simmer, partially covered, 30 minutes. Strain and discard solids; let cool completely. Stock can be refrigerated in an airtight container up to 3 days, or frozen up to 3 months.