Cook until kale is wilted and tender, stirring often (about 10 minutes).
Remove pan from burner and add in the sour cream, remaining 3 Tablespoons of butter and salt & pepper, to taste.
Mix well and keep warm until serving.
Nutrition Info Per Serving: Calories 200 Total Fat 19 g Cholesterol 46 mg Sodium 144 mg Potassium 332 mg Carbohydrates 7 g Dietary Fiber 3 g Sugars 2 g Protein 3 g