I was going to mention the slow cooker, it'd be great to make yourself a stew, that you can freeze, bologna she, chilli. Make a large batch of a Ragu sauce, separate into portions for each meal then you can have bolognaise one night, add some chilli powder and kidney beans another night for a chilli, any leftover on your day off you can make into a lasagne or just have the sauce with some pasta/jacket potato etc.
Veg soup is also great to make up in a large batch and freeze or keep in fridge. I use this recipe:
2xcans of tomatoes (sometimes use ones with chilli in)
2xlarge carrots diced
1 courgette diced
red,green and yellow pepper diced
butternut squash/parsnip/swede diced
2xgarlic cloves
handful of red split peas
tin of green lentils
tin of mixed bean salad (I use one in spicy tomato sauce)
2 tablespoons of tomato purée
Mixed hherbs
chilli flakes/chilli powder 1teaspoon(add more to your liking)
1/2 pint of veg stock (add more for thinner soup)
add all to pot bring to boil then simmer for at least an hour. Or put in slow cooker on low for 6-8hours
It's delicious