student with a tight budget

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ok guys and gals i need some help please!

I'm back at uni this week and moving into uni halls at the weekend and need some ideas for meals at lunch and dinner that are easy to make and won't cost the earth.

I have a mini slow cooker that I am keen to use as I know that can definitely make me 2 meals (maybe 3 at a push) which will save money but I get bored of the same things!! I also need ideas that i can put in pots and microwave at my nursing placements which starts tomorrow,
I'm not particularly fussy with food so any meat or veg or style of cooking is ok :)

if anyone has any recipes that I can try please feel free to tell me :)