Antonie van Leeuwenhoek, (born October 24, 1632, Delft, Netherlandsâdied August 26, 1723, Delft), Dutch microscopist who was the first to observe bacteria and protozoa. His researches on lower animals refuted the doctrine of spontaneous generation, and his observations helped lay the foundations for the sciences of bacteriology and protozoology.
Preheat oven to 375 degrees F. Lay the sweet potatoes out in a single layer on a roasting tray. Drizzle the oil, honey, cinnamon, salt and pepper over the potatoes. Roast for 25 to 30 minutes in oven or until tender.Take sweet potatoes out of the oven and transfer them to a serving platter. Drizzle with more extra-virgin olive oil.reheat oven to 375 degrees F. Lay the sweet potatoes out in a single layer on a roasting tray. Drizzle the oil, honey, cinnamon, salt and pepper over the potatoes. Roast for 25 to 30 minutes in oven or until tender. Take sweet potatoes out of the oven and transfer them to a serving platter.
Oven Bake. Cook whole sweet potatoes just like you would make baked potatoes. Prick each washed potato several times with a fork, wrap each one in foil and bake them for about 40 to 60 minutes in an oven preheated to 400 degrees Fahrenheit.Exact cooking time will depend on the size of the sweet potatoes; they're done when you can easily cut into them and their flesh is soft.ring the water to a boil over high heat, then turn it down to a simmer and let the potatoes cook until tender, about 15 minutes. After you drain off the water, you can use boiled sweet potatoes in lots of ways. 1  Mash them with butter, milk, salt and pepper to make a slightly sweeter version of mashed potatoes.