I actually do my corn beef in the microwave turns out perfect takes about 45 mins all up depending on your microwave and how big your beef is etc I only ever rinse my beef under water before placing it in the casserole dish this is for a 1.5kilo piece of corned beef 3 Litre casserole dish, put in the Corned Beef, 50mls White Vinegar, 1 small onion peeled and chopped, 2 small bay leaves, about 12 black peppercorns ( i tend to just chuck) 40grams brown sugar and 450mls water Cook on High for 10 mins Turn the meat over cook for another 5 mins reduce microwave to Medium Low and cook for 15mins turn meat cook for another 15 mins Done =)