Have You Heard of 'Dinner in a Jar?' Looking for a creative way to bake? How about a uniquely packaged treat or a quick and easy dinner? Consider using a Mason jar in place of your regular bake ware. You can make pizza, casseroles, vegetables, muffins, and rice dishes, you name it. The list goes on for cooking in a Mason jar. You might be wondering, "How do we put Mason jars in the oven?" Good question. Mason jars are meant to be used in hot water...