- Saute the onions in butter till transparent and really soft, then add the garlic and saute.
- Heat up the stock
- In half a cup, add a couple spoons of the cornstarch, spoon by spoon stirrin up till it is smooth
- When smooth, add it to the sauted onions, andstir well (make sure the flame is on low, else it will burn)
- Keep addin the cornflour till it is over, and the stock too... make sure to keep stirring so that no lumps are formed
- Add 2 thirds of the grated cheese and stir well
- Add pepper powder to taste

Once the Sauce is ready:
- Add the precooked (semi-cooked) veggies , stir them in well, and put in a baking dish
- Cover with the balance cheese and a dusting of pepper
- Bake for 15-20 mins on a low temperature

Note: This is a HUGE family favourite... and is a tradition we follow every Christmastime