▢ 1.5 pounds potatoes (Russet, Yukon, Red Potatoes), peeled and cut into 1-inch chunks
▢ 8 ounces curly kale, roughly chopped
▢ 4 tablespoons unsalted butter and more for serving
▢ 1/2 cup heavy cream, room temperature
▢ 1/2 teaspoon salt
▢ freshly ground pepper