Onions 2 yellow or white, skins on, halved
Celery 8 stalks, cut into 3” pieces
Carrots 3 large, cut into 3” pieces
Fennel 1 bulb, cut in half
Garlic 1 head, cut in half to reveal the cloves
Ginger 1, 4 inch piece, cut in half lengthwise
Shiitake Mushrooms 8 ounces (or mushroom trimmings)
Whole Black Peppercorns 1 tsp
Dried Burdock Root 1⁄4 cup (optional)
Dried Astragalus Root 1⁄3 cup (optional)