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 the oven to 500 degrees, rub roast with seasonings you like (salt, pepper, garlic powder, etc). Roast at 500 degrees for 15 minutes, then reduce heat to 350 degrees and cook about 20 minutes per pound for medium.Let roast sit (cover with a tent of foil) for 15 minutes before carving. You don't have to make a rack-I cook mine in a cast iron pan and sit it right on the pan.ut oven on at 500, place roast in pan and rub oil on roast, add seasonings. Oil will keep the roast juicy. Bake for 15 minutes, then reduce temperature to 350 for 20 minutes per pound.