Before making this marmalade, be sure to check and make sure your fruit resembles mine. What are called bergamots in France, go by different names elsewhere. Just below, I’ve linked to Wikipedia entries describing bergamot oranges and citron limetta, which are what they refer to as bergamots in France. And that’s what I used.You can read more about them at What is a bergamot? For this recipe, you could substitute any sweet lemon, such as a Meyer lemon, although regular lemons would work as well, too.