Are Cooked Green Beans OK To Eat If Left Out Overnight?

Are Cooked Green Beans OK To Eat If Left Out Overnight? According to USDA recommendations, cooked beans left out overnight (or for more than two hours) should be thrown away. Even if you reheat the beans to kill any bacteria, there may be heat-resistant toxins produced by bacteria like Staphylococcus aureus, which reheating can’t destroy.