I just posted another recipe, and I also just realized that I almost always have instructions to have the stove set to medium. I find that I use medium heat almost exclusively. Even in recipes where I reduce heat to medium-low, I sometimes just leave it at medium so I can finish a little bit faster. And, I can't think of a recipe I've made where I don't have the heat at medium at some point during the recipe. But, maybe I'm just risk averse, and there are better ways to do things. What do you do?