Heat the oil and sauté the onions in it. Add the minced meat, chop it up and sauté until it is lightly browned. Mix in the potatoes and carrots. Steam for 3 minutes, then pour in the stock and season everything with paprika, salt and pepper. Cover and let simmer for approx. 10 minutes.
Thaw the peas under cold water, add and cook for 5 minutes. Mix in the tomato paste. Season again to taste, serve with parsley and crème fraîche.