Yes there is, saves on washing up the frigging saucepan after you've made the mash (Starchy glue) in it. However my solution is far better. Don't eat mash or if you eat mash, make sure the missus made it (and therefore has to wash it up)
To be fair there could be many legitimate reasons for buying instant mash. You could be prepping for Brexit, cutting it in to drugs, having a 1970's themed sex party.
There's no excuse for ready meal mash.
There's a show on called "Eat Well for Less"
That fat guy off of masterchef and some other dude show people how to eat healthier and spend a lot less.
It's not bad. The usual collection of morons are on it "Oh I didn't know if I bought a cheaper cereal that I would save money"
It's not hard, dipshit.
Anyway, what pisses me off is they swap a load of their shopping for cheaper varieties, but they go to about a dozen different supermarkets.
So at the end they say "if you make all these swaps you'll save £2,000 a year!"
Yeah, they will. But they'll spend about 5 grand a year going to every supermarket in the country to get all the random shite you've given them