6 -8 Potatoes
1/3 Sour Cream
Cook potatoes in water until tender.
While potatoes are cooking; Melt butter in large skillet.
Add chopped onion and cook for 5 minutes.
Stir in kale and cook 5 more minutes.
Remove from heat.
Mash potatoes, milk, sour cream, salt and pepper with mixer.
Stir in kale mixture.