Method

Preheat the oven to 200C
Pour the oil in a sauce pan and heat
Add the plain flour and salt and cook on medium heat for 2 minutes
Take off the heat and gradually stir in the milk
Pop back on the heat and keep stirring until little sauce has thickened, add the cheese and melt, leave to one side
Cook your pasta and combine with the sauce, asparagus and peas
Pour into a baking dish and top with the extra cheese
Bake for 20 minutes until golden
Serve