Mushroom Stroganoff for 10

Rescaled from 4 servings.

125g
  • 18kg
  • 0.276lb
  • 4.41oz
butter
melt cook til softened fry on medium high til brown and limp put asside cook 1 min medium heat low heat til thickened serve
2 12 large onion chopped
875g
  • 78kg
  • 1.93lb
  • 30.9oz
mushrooms
sliced
875ml
  • 78l
  • 58 13tbsp
  • 175tsp
  • 3.7cup
  • 1.54pint
veg stock
boil down to 2/3rds
875ml
  • 78l
  • 58 13tbsp
  • 175tsp
  • 3.7cup
  • 1.54pint
soured cream
7 12tbsp
  • 0.113l
  • 112 12ml
  • 22 12tsp
  • 0.476cup
  • 0.198pint
plain flour
10tbsp
  • 0.15l
  • 150ml
  • 30tsp
  • 0.634cup
  • 0.264pint
fresh parsley
chopped
750g
  • 34kg
  • 1.65lb
  • 26.5oz
rice
boiled and drained