There are desserts which taste depends on one ingredient. Their advantage is that after having finished the cooking process, you are able to vary the taste by changing this only ingredient. For instance, in this cottage pie honey is responsible for taste. There many types of honey, it means that a pie can have different taste. Do you want a tender pie? Take linden honey, acacia or something similar to them. Are you waiting for something charismatic? Try to cook with a buckwheat one.