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.
Some doctors advise against eating pineapples if you have acid reflux. This is because pineapples are highly acidic. They typically score between a 3 and 4 on the pH scale. A score of 7 is neutral and a score higher than that is alkaline. Citrus fruits also contain a high level of acid and may cause reflux symptoms.