Dissolve yeast and sugar in 4 tablespoons of lukewarm water, leave to rise for 10 minutes. Warm 75 ml of milk lukewarm. Put the flour in a bowl. Pour in warm milk and yeast. Mix to a smooth dough. Cover and leave to rise in a warm place for about 1 hour.
Mix 75 ml milk and 1 tablespoon sour cream and put aside. Whisk the egg. Melt butter. Stir the dough thoroughly. Gradually stir in the egg, warm milk-cream mixture, salt and 1/2 tablespoon butter. Let dough rise for another 30 minutes. Spread a large pan with a thin layer of oil and heat it up. Place 1 small ladle of dough per Blini in the pan and smooth it down. Fry over medium heat for about 2 minutes on each side. Bake 12 blinis, remove from the pan and keep warm. Before serving, brush the blinis with the remaining butter. Stir 130 g sour cream until smooth.
Place 1 small ladle of dough per Blini in the pan and smooth it down. Fry over medium heat for about 2 minutes on each side. Bake 12 blinis, remove from the pan and keep warm. Before serving, brush the blinis with the remaining butter. Stir 130 g sour cream until smooth. Spread 1 heaped teaspoon of sour cream on each blinis. Spread the trout caviar evenly over the 12 blinis. Garnish with dill
waiting time approx. 1 3/4 hours