Saute red onions in oil and butter with seasoning for a few minutes
Add the nuts and seeds and cook for another minute
Pile in the mushrooms and cook for 3-4 minutes, then add the sundried tomatoes, vinegar and oats stirring for 2 more minutes before pouring in 120mls boiling water
Simmer for a few minutes covered
Throw in fresh tarragon, peas and rocket and cover for another minute until cooked
Stir together, season well and serve with grated parmesan