It's not unusual for one member of a couple to do the cooking while the other does the washing-up - but what if you can do both jobs in one?
Italian food writer Lisa Casali has published a cookbook - Cucinare in Lavastoviglie - detailing dishwasher recipes for everything from fish to apple pie.
It's "a kind of operating manual to learn everything you have to know in order to cook in the dishwasher in a safe way and saving energy," she says. "The results are excellent because it is low temperature cooking, like in haute cuisine."
While the book isn't yet available in English, she's also posted a number of videos online, and with subtitles.
Recipes for dishwasher salmon, wrapped in aluminium foil, have been doing the rounds for some time, but have all required keeping the machine empty of dirty dishes, making the process not particularly cheap.
However, Casali says the technique can be applied to many more dishes, from couscous to veal, and even when the dishwasher is loaded with dirty crockery. The secret, she says, is to enclose the food in hermetically sealed jars or vacuum plastic bags to keep things clean. This mimics the sous vide technique of top chefs, whereby dishes are cooked for a very long period at far lower temperatures than normal. It also makes the cooking process essentially free.
But using the dishwasher isn't the only bizarre cooking technique around. Other energy-saving methods include boiling eggs in the kettle while making tea, or even popping a steak on top of your car engine before a long drive.
And it seems plenty of people are happy to use their domestic appliances for purposes other than those intended. Examples include toasting a sandwich by popping it in a paper bag and ironing it - and even drying salad leaves using the spin cycle of a washing machine.
10 of the weirdest celebrity products
How your dishwasher can cut the cost of cooking
When it comes to bizarre celebrity products, they don't come much weirder than the Bill Wyman Signature Metal Detector, designed and marketed by the former Rolling Stones bass guitarist.
Apparently, Wyman, who is now in his mid-70s, loves archaeology and has used his own metal detector to find relics in the English countryside dating back to the Roman Empire.
Fans of US president Barack Obama can show their appreciation for the politician by buying a Barack Obama Chia - shaped like the president's head - and growing grass out of the top of it.
And for those who prefer a more historical theme to their garden ornaments, Chias shaped like the heads of George Washington and Abraham Lincoln are also available.
Action star Sylvester Stallone put out a protein-infused pudding designed to appeal to fans keen to build muscles like the big man's.
Unfortunately for them, however, the pudding has now been taken off the market.
Heiress Paris Hilton endorses numerous products, ranging from outfits for your dog to hair extensions.
But the most random Paris Hilton product on the market has to be her line of craft supplies, the Creativity Collection, which features items such as stickers and transfers.
Rapper Snoop Dogg's latest business venture is a "smokeable" lyric book.
"Rolling Words: A Smokable Songbook" contains the words to some of Snoop's biggest hits, including "Ain't Nothing But A G'Thang" and "Gin and Juice" - all on cigarette rolling papers.
Hollywood film director David Lynch loves coffee so, of course, he decided to make his own.
Embarrassingly, the tagline on the David Lynch Signature Cup is "It's all in the beans ... and I'm just full of beans."
Former boxer George Foreman's grill is undoubtedly the most successful, random celebrity product of recent years.
The "machine", which claims to reduce the fat content of your meal by 42%, has earned Foreman more than $200 million over the last decade or so.
Supermodel Heidi Klum has her own line of low-fat sweets, which includes Heidi's Yogurt Dessert Cremes and Heidi's Yogurt Fruit Cremes.
Apparently, the design of the sweets is influenced by icons that Klum uses in her text messages to friends. Strange.
Actor Danny DeVito is such a big fan of Italian liquer Limoncello, he decided to launch one of his own.
Called Danny DeVito's Premium Limoncello, the diminutive star claims that it's "like pouring yourself a glass of liquid sunshine straight from Italy's Sorrentine Peninsula".
Steven Seagal made his name leaping around in action films that allowed him to show off his martial arts prowess. But he is also behind an energy drink called Lightning Bolt.
Advertised as being "packed with vitamins and exotic botanicals", it sounds like just the tipple if you are planning to take on 10 armed men with your bare hands.