I work nights - any suggestions for a dry muesli type breakfast that I can make & take with me?

[lostinlace]

I work a minimum of 3 nights a week & at the moment I'm having my breakfast when I get home, but this means even more chaos than normal & time is a bit tight. I need a healthy breakfast otherwise I'm crabby for the rest of the day but can't take milk with me to work so it needs to be something like a bar maybe? At home I have wholegrain muesli with extra seeds/nuts and no salt or sugar (which makes me sound really healthy until you see what I eat the rest of the day!)

Has anyone got any ideas? Ideally something that I could do once in a while and freeze or store in a plastic box? My mum used to make a 5-cup cake which was easy & yummy, but one of the cups was sugar, so not quite what I'm after.

Banana muffins? Or a granola-type baked cereal with lots of nuts and seeds in it that you can pick at? Lucy Burney has a lovely one called 'Mummy's muesli' in her book and I would be happy to eat it dry (in fact I often do).

The problem with cereal bars imho is that they need something to stick them together, which is usually very fatty and sugary. I haven't yet found a recipe which makes delicious cereal bars that stick together but are also low in sugar.

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What about birchers (sp) style porridge? You mix apple juice, yogurt and fruit of your choice (or choose a fruit yogurt) with oats in the evening, and then take it to work in a pot. The juice makes the oats really tender, and the raw oats are a really good slow release food.