Step 3. Lightly oil a large bowl, add the dough and turn it over so that it’s coated. Cover with a clean tea towel. Leave the ...

Ingredients. 1 tbsp sunflower oil, plus extra for greasing; 15g butter; 1.2 kg onions, peeled and sliced very finely; 4 medium eggs plus 1 yolk 425g sour cream ...