Cut the chicken into bite sized pieces - they can be small or large. Heat some oil and put the chicken in to fry. Chop the onion and mushrooms into small pieces. Season the products in the pan with salt, pepper, Vegeta and 1 teaspoon curry.
Add the cream and let it to boil for 5-10 minutes in the pan. Split the broccoli into florets and blanch them. Put them in a tray, add the chicken mixture and finally the chopped tomatoes. Mix.
Bake the mixture on a moderate oven until ready and sprinkle it with grated cheese if desired. Serve on a bed of mashed potatoes.