how long to cook ground beef in oven
Bake in a 350 F oven for 45 minutes to an hour or until the center registers 160 F on an instant-read thermometer. 1  Resist the urge to cook any form of ground beef to anything less than well-done as E coli is a real risk for undercooked ground beef.eal the foil packets tightly and bake in a 350-degree Fahrenheit oven for 45 minutes or until the beef registers 160 degrees on an instant-read thermometer when inserted horizontally into the patty.