Step 1: Slice leeks thinly and fry in oil or butter for a 5minutes
Step 2: In a separate pan, fry the minced beef add the salt pepper and herbs of your choice, add the leek
Step 3: Make the potato puree
Step 4: put the minced beef in an oven dish and layer the top with the potato puree and then the grated cheese.
Step 5: place in the oven for ten minutes