Preheat the oven to 180°C.
Heat oil in the deep pan you used for boiling the pasta and vegetables.
Add sliced or quartered mushrooms and stir fry for 1-2 minutes.
Take the pan off the heat.
Add the pasta vegetable mixture.
Mix tomato and white sauces well.
Add to the pasta mixture and mix well.
Spoon the mixture into a big baking tray or small ones.
Top with the grated cheese.
Bake the pasta for 25- 30 minutes ot until the cheese melts and begins to turn golden in colour.
Remove the tray from the oven.
Serve Vegetable Baked Pasta with your favourite salad and garlic bread.