Sort, pluck and wash the kale. Blanch in boiling salted water for about 3 minutes. Quench, drain well and chop roughly
Peel and slice the onion. Spread the bottom of the pot with oil, heat up. Sauté onion in it. Steam the kale briefly. Add approx. 1/8 l water and stock. Bring to the boil, cover and stew for 30-40 minutes. Season to taste with salt, pepper and sugar
Bring 2 cups of water to the boil, remove from the stove. Stir in the purée flakes. Let it swell for about 1 minute. Stir, season to taste
Arrange kale, mashed potatoes and ham. Pour sour cream over the kale. Garnish
This is how kale tastes more hearty: dice the ham and sauté together with the onion