A saddle point on the graph of z=x 2 ây 2 (in red). Saddle point between two hills (the intersection of the figure-eight-contour). In mathematics, a saddle point is a point in the domain of a function that is a stationary point but not a local extremum.
Hot food should be kept hot, at or above 140Â° F. 1  Wrap it well and place it in an insulated container until serving. 2  Just as with cold food - these foods should not sit out for more than 2 hours, or 1 hour in temperatures above 90Â° F. If food is left out longer, throw it away to be safe.
Cooked Foods, Meats and Fish. Any cooked foods or cut fruit cannot stay out longer than two hours. This is two hours total. This means that for every minute you take food out to rearrange your fridge, contemplate eating it or forget to put it away, it counts towards the two hour window of leaving food out.