Lille Allen/Eater Brands like Brightland, Graza, Fat Gold, and Rubirosa have brought the elusive element of coolness to the pantry staple In the press images for Single & Fat extra virgin olive oil, high-fashion models flounce around artfully messy hotel rooms, eating spaghetti while lounging in a bathtub, pouring oil out of a millennial pink and olive green tin onto a slice of pizza, even rubbing each other down with the golden product, perfectly in view of a set of muscular abs. A scrolling chyron on the website encourages buyers to “Douse it. Drench it. Pour it. Slurp it. Lick it. Rub it. Mix it. Toss it. Cook it. Slather it. Spritz it. Stir it.” This is about sex, about indulgence, about gluttony as sin. But also, the brand reminds you, “it’s good fat, baby.” For many people, olive oil is a fact of life that doesn’t inspire much extra thought. If you’re buying olive oil, you buy the big dark glass bottle from the grocery store and move on with your day. And when olive oil...