Gumbo z'Herbes
Serves 12.
Note: The cooked greens and their broth can be refrigerated for up to 5 days before you make the gumbo. The finished gumbo can be refrigerated for up to 1 week or frozen for up to 3 months. Adapted from "Greens: A Savor the South Cookbook," by Thomas Head (University of North Carolina Press, 2016).
• 3 lb. greens (a combination of mustard greens, collards, turnip greens, beet greens, radish leaves, watercress, kale, parsley and/or others), washed, tough stems removed, and chopped into 1-in. pieces
• 8 c. homemade or no-salt-added store-bought vegetable broth
• Water, as needed
• 1/2 c. vegetable oil
• 1/2 c. flour
• 1 large onion, finely chopped (2 c.)