Method
1. To a microwave-safe dish add the peeled and quartered potatoes.
2. Add an inch of cold water to the dish and cover the dish with microwave-safe plastic wrap or a microwave-safe plate.
3. Microwave at 1000W (High) for 8 minutes or until the potatoes are cooked through.
4. Drain the cooked potatoes and add them to a mixing bowl.
5. Add the butter, milk, salt and pepper to the potatoes.
6. Using a potato masher or fork mash everything together until just combined.
7. Taste here for seasoning and add more salt and pepper if needed. Leave the mashed potatoes to the side.
8. To a 6-7 inch microwave-safe baking dish, add the onions, oil and salt.
9. Microwave at 1000W (High) for 2 minutes to soften the onions.
10. Add the ground mince and crushed garlic. Mix to combine.
11. Microwave at 1000W (High) for 2 minutes.
12. Mix with a fork to break up any large pieces of mince and microwave at 1000W (High) for 2 more minutes.
13. Disolve the stock cube in hot water and add to the meat.
14. Add the peas and optional red wine and mix to combine.
15. Add the potatoes in a layer onto the mince and gravy mixture and using a fork scrape the top of the mixture.
16. Prepare the wire rack and place the dish on top.
17. Broil on Broil 1 for 10 mins.
18. Let rest for 5 mins and serve.