There is a demand for recipes. And an even greater demand for substitutions for everything within the recipes, from ingredients to techniques. Recipes are guidelines. Recipes show the way. How and why you make changes will determine the outcome. Is it motivated by a need to be creative? Is it an allergy? Is it a lack of ingredients? Is it a shortage of time? And before you start ripping apart a recipe, you may look for an alternative. The recipe you want may already exist, it just takes a little more time to find it.