Easy Slow-Cooker Creamed Kale Recipe

Ingredients

• 2 bunches kale (about 1 3/4 pounds), cleaned, stems discarded
• 1/2 stick (4 tablespoons) unsalted butter
• 1 small onion, minced (about 1 cup)
• 2 cloves garlic, minced (about 2 teaspoons)
• 4 tablespoons all-purpose flour
• 1 1/2 cups milk
• 1/2 cup heavy whipping cream
• 1 cup
• or store-bought low-sodium chicken stock
• 1/2 cup finely grated aged Romano or Parmesan cheese
• Kosher salt and freshly ground black pepper
• 1/4 teaspoon freshly grated nutmeg
• Pinch crushed red pepper
• 1/2 teaspoon freshly grated lemon zest