Place the potatoes into a pot of cold water. Bring to the boil and boil for 20 minutes, drain and mash. Whisk in the butter and milk. Add the wholegrain mustard and season with salt.
Heat the oil in a frying pan, add the onions and mushrooms and fry for 5 minutes. Add the Bisto Gravy for Roast Chicken, water, milk and Hinds Spices Mixed Herbs, mix well and simmer gently for 5 – 10 minutes.
Bring a pot of salted water to the boil and cook the vegetables for 2 – 3 minutes in the boiling water. Drain.
Slice the cooked chicken schnitzel. Place on top of the mash and serve with mushroom sauce and green veg for the adults and beans and carrots for the kids.