Move over TupperWare -- enter the mason jar.
Mason jars have long been used for jams and pickles; they've recently made their way as substitutes for cups and candleholders. And now the mason jar is being used to make and transport meals. And we're not only talking about simple salads here -- though we do like how you can layer all the ingredients. We've got everything from Shepherd's pie to cupcakes made and served in these jars. Check out the slideshow below for all the ideas.