Mushroom Stroganoff for 4

Scaled to serve 6

75.0 g of buttermeltcook til softenedfry on medium high til brown and limpput assidecook 1 min medium heatlow heat til thickenedserve
1.5 large onionchopped
525.0 g of mushroomssliced
525.0 ml of veg stockboil down to 2/3rds
525.0 ml of soured cream
4.5 tbsp of plain flour
6.0 tbsp of fresh parsleychopped
450.0 g of riceboiled and drained