Rich Mushroom Stock - cooking recipe

Ingredients

1 quart water
3/4 cup dry white wine
1 large onion, sliced
1 leek, sliced (white part only)
1 celery rib, sliced
12 ounces mushrooms
1 tablespoon minced garlic
2 ounces dried shiitake mushrooms
6 sprigs parsley
3/4 teaspoon dried sage
3/4 teaspoon thyme
1 1/2 teaspoons black peppercorns
salt

Preparation

Combine all ingredients, except salt, in slow cooker; cover and cook on low 6-8 hours.
Strain, discarding solids; season to taste with salt and pepper.