Agar is a gelling agent extracted from red algae. It is commonly used to stabilize foams (talking culinary gastronomy here) and to thicken or gel liquids. It doesn’t mirror gelatin 100%, but it’s a great vegan substitution if you are looking for one.  And interestingly enough it is derived from red algae. Truthfully, the stuff scared me.  I didn’t understand what it was, why it was used or most of all… how to use it in my home kitchen.  It seems as though it belonged in a chemistry lab! But after using it a few times and learning just how…