According to MoneySavingExpert, they cost less than 1p per hour to run, but owing to the fact they need to be boiled for you to reuse them, they can cost up to £1.38 (gas hob) or £4.43 (electric) per week.

Source: https://www.independent.co.uk/extras/indybest/travel-outdoors/hand-warmer-reusable-lifesystems-b2235283.html

After booking into a B&B in Killiecrankie, run by Mrs Braid, a widow who charged 50p extra for luxuries such as a boiled egg with breakfast, Parini found himself sharing a small double bed with the poet.

Source: https://www.heraldscotland.com/politics/23756267.short-term-lets-save-brilliant-b-bs/?ref=rss

Along with American chop suey and the occasional boiled dinner, it was one of the few foods he laid claim to in the kitchen.

Source: https://www.centralmaine.com/2023/11/19/home-plates-a-fathers-rite-of-succotash/

And yes I’m chomping on a whole boiled egg because I haven’t been able to dip my soldiers in since 2008 when I became a mum."

Source: https://www.manchestereveningnews.co.uk/news/showbiz-news/stacey-solomon-branded-superwoman-fans-26905904

As a youngster living at home, my folks simply boiled our chard, spinach or beet greens.

Source: https://knox.villagesoup.com/2023/01/12/from-the-ground-up-have-you-had-your-greens-today/

A second consecutive round of 75 meant a second consecutive missed cut at the Masters, and the frustration that had been building while plagued by a knee injury finally boiled over.

Source: https://www.postandcourier.com/aikenstandard/sports/koepka-returns-to-major-form-with-near-record-masters-start/article_c503227e-d559-11ed-9520-3f6365acce55.html

As the legend has it, Chinese Emperor Shen Nung was sitting beneath a tree when some leaves blew into the boiled drinking water his servant had been preparing for him.

Source: https://www.pressherald.com/2023/12/22/what-teas-have-medicinal-properties/

A stoush over the government's signature housing package has boiled over after Penny Wong sensationally accused the Greens of caring more about their ego and media attention.

Source: https://www.dailymail.co.uk/news/article-12070587/Penny-Wongs-brutal-attack-Greens-MP-Max-Chandler-Mather-Housing-Australia-Future-Fund.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Bender wrote, “Trump boiled over about the bunker story as soon as they arrived and shouted at them to smoke out whoever had leaked it.”

Source: https://www.inquisitr.com/when-trump-suggested-execution-for-whoever-leaked-the-secret-bunker-location-of-the-white-house

Both ingredients successfully produced a perfectly fluffy core in each potato with crispy skin, though the crunch was much better on the potatoes boiled with baking soda.

Source: https://www.express.co.uk/life-style/food/1725212/how-to-cook-crispy-roast-potatoes-baking-soda-white-vinegar-results

But the unspoken tensions that only simmered in the past boiled over into outright hostility and sabotage once Mississippi’s capital turned Black—first in its demographics, and then in its political leadership.

Source: https://jacksonadvocateonline.com/broken-by-design-a-special-report-on-the-declining-federal-funding-that-left-jacksons-water-system-at-the-mercy-of-conservative-state-politicians/

But two players took unlikely leading roles as the game boiled down to the final clutch plays.

Source: https://www.startribune.com/high-school-football-state-tournament-class-5a-minnesota-andover-chanhassen/600320921/

Can US politics really be boiled down to differences between Liberals and Conservatives?

Source: http://latinalista.com/new-headline/april-20-2023

Cardona’s frustration boiled over as he ordered Knox to put Bully through the table.

Source: https://www.cagesideseats.com/2023/2/28/23619811/matt-cardona-best-friend-nwa-chokeslammed-him-through-a-table

Chef's share 'foolproof' method to making peeling boiled eggs 'easier'

Source: https://www.express.co.uk/life-style/food/1717866/how-to-cut-watermelon-TikTok-grid-method

Corsac fox Rita had a choice between going for the white or red, raw or boiled egg first.

Source: https://news.err.ee/1608940895/video-tallinn-zoo-inhabitants-celebrating-easter

Customers are urged to only use boiled tap water or bottled water for drinking and cooking purposes to avoid illness.

Source: https://abc30.com/boil-water-order-shaver-lake-heights-association-coliform/13791461/

Dan Burn, Joelinton and Sean Longstaff were all front and centre as the frustration of the away side boiled over.

Source: https://www.chroniclelive.co.uk/sport/football/football-news/newcastle-boast-new-ruthless-streak-25896832

Even when it’s boiled, it leaves a yellow stain.

Source: https://www.dailybreeze.com/2023/04/20/its-time-to-shut-down-the-adelanto-ice-detention-center/

For some reason my kettle doesn't beep when boiled, but I prefer that.

Source: https://www.hulldailymail.co.uk/whats-on/shopping/tried-out-alexa-smart-kettle-8905412