'something salty' is correct and usable in written English.
You could use it when discussing favorite snacks, for example: "Every now and then I just need something salty like potato chips!".
She always wants something salty.
"Something sweet and something salty".
Whenever I ate something salty, I swelled up.
After all, who doesn't like something salty before a meal?
After a morning spent strolling Old Town's cobbled streets, you'll crave something salty and satisfying.
May be too sweet for cheese, I guess you would go for something salty.
No meal is finished without something salty-sweet at the end.
But there's a hint of something saltier, in a pleasant way.
Otherwise, they start the day with something like salty congee (rice porridge) served with a cup of soymilk or a deep-fried dough stick.
A Thai-style sauce must, almost by definition, contain something sweet, salty, spicy and sour: I use sugar, nam pla, chili and lime.
It comes with a lasagna-esque square of cheesy goodness made with thin layers of celery root and something vaguely salty and smoky.
