1 Having high or low cholesterol does not exclude a person from donating blood. 2  Potential blood donors may be temporarily prevented from donating if they have a low level of iron (hematocrit) in their blood.
Headline Clickable. To keep food warm without overcooking, set your oven to the lowest temperature (which is probably 200 degrees F) and cover the food with foil.eadline Clickable. To keep food warm without overcooking, set your oven to the lowest temperature (which is probably 200 degrees F) and cover the food with foil.
1. Foods to Reheat in the Oven or Toaster Oven. The toaster or toaster oven is usually my go-to reheating appliance because it provides even, gentle heating. If you're worried that food will dry out, just cover it with foil. Aim for a low-temperature oven (no more than 350Â°F), and check on it once in awhile until it's heated through. These are foods that reheat well in an oven or toaster oven: Crusty breads.