Do you know how to stop macaroni cheese going hard? Or how to check your freezer is working while you’re away? Have no fear, there’s a place on Reddit that has the answer.

LifeProTips is the subreddit you need for tips on anything from computing to social interaction – and today we’re looking at the best its brilliant minds can offer on food and drink.

Get a notepad ready, here are 10 dining tips you might want to remember.

1. “Add a small amount of milk to macaroni and cheese before reheating to keep it from getting hard.” – natewrtell

Macaroni CheeseMilk is the key to soft macaroni cheese (EzumeImages/ Getty Images)

2. “If you want to ‘vacuum seal’ food, put it in a ziplock bag and submerge it in a bowl of water with the bag open above the water. The water will push the air out of the bag, and you can close it without any left inside.” – SilverfireSage

3. “One 18 inch pizza is more pizza than two 12 inch pizzas.” – LeFrogKid

A pizza being slicedThe area of an 18-inch pizza is about 61cm² greater than two 12-inchers (Steve Parsons/PA)

4. “Learn to look at food products labelling carefully. ‘Made with 100%…’ is very different to ‘made from 100%…’ – JoeinJapan

5. “Anything on a food label that isn’t in the boring nutrition information section is marketing material, not nutrition information.” – khorbin

A packet of sweets showing nutritional informationBe wary when reading the back of packets (Alistair Wilson 50/50/PA)

6. “Worried your freezer isn’t working? Put an ice cube in a ziploc bag and keep it in there. If the ice melts and refreezes it will be misshapen, indicating a thawing.” – kcdale99

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7. “Do an online search for which restaurants give out free birthday meals. When your birthday rolls around, your email will be full of coupons for free meals that don’t expire for about a month.” – zachwilly

8. “When making rice, just throw some broccoli on top when there is about 10 minutes left. It’ll be perfectly steamed at the end and is a super easy way to add some nutrition with virtually zero extra work!” – aznednacni

Slow cooked dish with chicken tights, rice and broccoli. Close upVegetables cooked with rice saves on dishes too (ivanmateev/ Getty Images)

9. “If your milk smells sour, pour a little into a cup/glass and smell it again, often it is the residue in the neck/opening that is sour and not the milk inside.” – JSHU16

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10. “If you buy spring greens in the plastic container, put a slice of paper towel in there after you open it. It absorbs the condensation and makes the greens last longer.” – wearebrainstorm