You left your biscuits in the oven just a few minutes too long, leaving them to become a crunchy dark brown – oh well, no point wasting a good batch of treats, right? Health experts say precisely these kinds of homemade biscuits are actually a clear health hazard because something called acrylamide is formed when starchy foods are baked at high heats. This substance is thought to alter our genetic material and cause cancer. If you take the biscuits out of the oven when they are golden yellow, however, then you can tuck in without any worries, especially if you have followed these three tips: U…