Name: Cheesy Kale Gratin Recipe
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Yield: 12
Ingredients: 6 cups chopped fresh kale (stems removed); 4 tablespoons unsalted butter; 2 cups chopped onions; 1/4 cup all-purpose flour; 1/2 teaspoon grated nutmeg; 1 cup heavy cream; 2 cups whole milk; 2 cups freshly grated parmesan cheese; 1 tablespoon kosher salt; 1 teaspoon freshly ground pepper; 1 cup grated Gruyere cheese