Rivers are the primary body of water found in tropical rainforests. Many rainforests feature one large river that feeds the entire ecosystem and many smaller rivers that drain into the major water body, such as the Amazon river and its many tributaries.
1 Cook in the oven for 30 minutes at 325 degrees F (165 degrees C). 2  Reduce the heat to 300 degrees F (150 degrees C), and cook for 1 1/2 hours. 3  Remove roast to a platter to rest for 10 to 15 minutes. Return meat to pan, place remaining bay leaf on top of meat, and cover. 2  Cook in the oven for 30 minutes at 325 degrees F (165 degrees C). 3  Reduce the heat to 300 degrees F (150 degrees C), and cook for 1 1/2 hours.
Preheat oven to 450F [235C]. Place a V-shaped rack in a roasting pan and place the prepared meat on it. Place in hot oven for 10 minutes. Cook until the internal temperature is 150-155F [65-68C], about 45 minutes for a 1 pound roast, up to 1 hours for a large roast. Use an instant-read thermometer stuck into the very center of the roast to determine the temperature.