Step 1

Start oven heating to 200 C / 400 F.

Step 2

Drain the beef, putting the beef broth in a microwave-safe jug.

Step 3

Whisk the cornstarch into the beef broth.

Step 4

Add to the broth the liquid seasoning (Maggi, Worcestershire sauce, or anything else that strikes your fancy to add flavour to the gravy.)

Step 5

Zap in microwave on high for 1 minute.

Step 6

Remove from microwave, whisk, zap on high for another minute.

Step 7

Remove from microwave, fold in the beef chunks, zap on high for two minutes.

Step 8

Set beef mixture aside.

Step 9

Put the leftover mash in a microwave safe jug.

Step 10

Stir in the egg white, Parmesan cheese, onion powder and garlic powder,

Step 11

Zap in microwave on high for two minutes to heat.

Step 12

Spray a 2 litre / quart baking dish with cooking spray.

Step 13

Pour beef mixture in.

Step 14

Spread the potato mixture out on top in dollops to form a crust.

Step 15

Spray top potato crush with cooking spray to encourage browning (optional.) Or, dot with butter or marg.

Step 16

Bake at 200 C (400 F) for 25 to 30 minutes or until bubbling hot and crust has browned a bit.

Step 17

Serve piping hot.