The founders of artisan butter producer Pepe Saya and Byron Bay brand Oomite have teamed up to make one spread to rule them all – a marbled wheel of unsalted, umami-flavoured butter.

Oomite x Pepe Saya Butter is available to buy from Pepe Saya’s website or, if you’re in Sydney, you can buy a wheel from the butter maker at Carriageworks Farmers Markets or as a topping on one of Merna’s handmade fermented crumpets, also for sale at the markets.

The companies’ founders say it is a perfectly balanced spread; they’ve done the hard work to hit that ideal butter-to-mite ratio so you can smear it straight onto your toast, toss it through pasta or use it to flavour your steak.

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Oomite’s founders Magdalena Roze and Katie Graham say it took them three years to master the recipe for their all-natural savoury spread. Until now, their product has only been available in cafes, restaurants and bakeries; collaborating with Pepe Saya means customers can buy it to eat at home.

Pepe Saya owner Pierre Issa’s advice is to spread it really thick. “When I eat it I get a thick slice of sourdough bread, slather it with Oomite Butter and fork a soft-boiled egg on top,” he says in a statement.

Oomite x Pepe Saya Butter ($8) is available to buy here. The 100g wheel should be kept in the fridge. Delivery is available Australia-wide.