1. Mince the mushrooms from the mushroom paprikas and mix with 2 tablespoons of sour sauce.
2. Boil the sauce of the mushroom paprikas with the remaining sour cream.
3. Fill the pancakes with the mushroom paprikas filling, tucking in the ends.
4. Arrange in an ovenproof pan and poor the spicy sauce over the pancakes.
5. Heat through in the oven, sprinkle with sour cream.