To make classic white
sauce, heat butter in a large non-stick pan on medium heat. Add refined flour and saute till golden.
Add milk gradually
and whisking continuously to avoid lumps. Add vegetable stock and mix well. Reduce heat, add salt, nutmeg powder and crushed black peppercorns and mix well. When the sauce coats the back of the spoon, the sauce is ready.
pumpkin, onion, carrot, zucchini and green peas and mix gently. Cover and cook on low heat for 5-6 minutes.
Grease a baking dish
with butter, pour the vegetable mixture into it and level it out. Sprinkle cheese, add ½ tsp mixed herbs, salt and pepper.
Keep the dish in the
preheated oven and bake for 20 minutes.