it and left it on low for 4 hours,(because I had to help my daughter with something) made lasagne with the warm sauce. I baked it at 350 for 40 minutes cooled it and froze. Will it be alright? If spaghetti sauce has been left at room temperature for longer than two hours, it should be discarded not used in a lasagne because it may be contaminated with harmful bacteria and spores which may be heat resistant I made some chicken stock for my 6 month old baby, froze it then used 7 cubes of it to make a bolognese sauce. Is this ok to freeze even though the chicken stock was in the freezer? I heard that you cant refreeze once thawed but it would be really useful if this wasn't the case with chicken stock! Thanks If your chicken stock cubes were thawed directly in the refrigerator or added frozen ior thawed in your bolognese sauce that was cooked subsequently cooked, yes, it will be safe to freeze your sauce containing the previously frozen chicken stock as long as the bolognese sauce was cool down rapidly and put in the freezer without delays. Can we freeze a stuffed veal roast cooked in a roaster? A stuffed veal roast, which has been cooked to a safe temperature of 71C/160F, can be safely frozen. However, it should be chilled quickly and the best way to do this would be to slice it and spread on a tray or in a