1 For a rare roast, after 15 minutes take the temperature of the meat. 2  It should be around 54ÂºC. 3  For medium rare take the temperature after 20 minutes, it should be around 60ÂºC. 4  For medium, wait 30 minutes and test for 65ÂºC. 5  For well done, 40 minutes and 75ÂºC.
Dealing With Bromelain. The burning you feel in your mouth after eating too much pineapple is due to bromelain, an enzyme that digests protein. Pineapple is the only natural source of the enzyme, according to The University of Melbourne.ealing With Bromelain. The burning you feel in your mouth after eating too much pineapple is due to bromelain, an enzyme that digests protein. Pineapple is the only natural source of the enzyme, according to The University of Melbourne.
Pineapples contain a proteolytic enzyme called bromelain, which helps break down foods and is even used as a meat tenderizer. As a matter of fact, it is rumored that people who pick pineapples often lose their fingerprints after a few years as the chemical eats away at the skin.ineapples contain a proteolytic enzyme called bromelain, which helps break down foods and is even used as a meat tenderizer. As a matter of fact, it is rumored that people who pick pineapples often lose their fingerprints after a few years as the chemical eats away at the skin.