There's nothing worse than unravelling your bagged lunch and realising the bread has been soaked with juices and turned into a soggy mess. DIY blog Tipnut offers up the simple solution of mixing in mustard with your butter to seal out moisture.Photo by siegertmarc.
By mixing in a tablespoon of dry mustard with butter and keeping it in your refrigerator, you'll have a tasty spread that helps repel moisture from the bread, keeping your sandwich nice and dry. It's not as simple as keeping everything in separate containers, but if you don't want to assemble your sandwich at lunch, it will do the trick. Click through the link to find a few other tips for keeping your food tasting good.