Step 1

Preheat oven to 200C. Grease an ovenproof dish with butter or oil.

Step 2

Combine crushed corn chips and cheese in a bowl.

Step 3

Heat butter in a medium saucepan. Add flour and stir over medium heat for 1 minute.

Step 4

Remove from heat, gradually stir in the milk and contents of noodle flavour sachet. Return to heat, stirring constantly until sauce boils and thickens.

Step 5

Add crushed noodles, reduce heat and simmer, uncovered, for 2 minutes, or until noodles are tender, stirring occasionally.

Step 6

Add chicken and stir for a further 1 minute. Spread mixture into ovenproof dish and top with combined corn chips and cheese.

Step 7

Bake for 25 minutes, or until cheese has melted.