Winter Greens And Potato Casserole

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Details

9 Ingredients

• 8 cups water
• 12 cups chopped kale, stems removed (about 1/2 lb)
• 12 cups chopped mustard greens, stems removed (about 1/2 lb)
• 6 cups (1/8-inch-thick) slices red potatoes (about 2 lbs), divided
• Cooking spray
• 2 cups vertically sliced onion, divided
• 3/4 tsp salt, divided
• 1 cup (4 ozs) shredded sharp provolone cheese, divided
• 1/2 cup canned vegetable broth