Name: Mushroom and Sweetcorn Stroganoff
Cook time: 15 min
Yield: 4
Ingredients: 65 g (2 1/2 oz) butter; 1 medium onion, chopped; 675 g (1 1/2 lbs) assorted mushrooms (e.g. whole button, chestnut, oyster); 2 tsp plain flour; 150 ml (1/4 pint) vegetable stock; 3/4 tsp Coarse Ground Black Pepper; 1 tsp Herbes de Provence; 2 tsp French mustard; 1/2 tsp salt; 300 ml (1/2 pint) soured cream; 400 g (14 oz) tin sweetcorn, drained