Step 1

Melt butter in non stick fry pan. Add onions and cook until tender.

Step 2

Add mushrooms and cook until all liquid has evaporated.

Step 3

Stir in the flour and gradually add the milk, continuing to stir until mixture starts to thicken.

Step 4

Add chicken, parsley, salt and pepper and half the cheese.

Step 5

Stir all together and remove from heat.

Step 6

Warm 6 large vol au vent cases in a preheated oven for 5 minutes.

Step 7

When the cases are ready fill with mixture and top with remaining cheese.

Step 8

Place them back in the oven until cheese has melted.