The phrase "add the right amount" is correct and usable in written English.
You can use it when referring to the necessity of including a specific quantity of something, often in cooking, measuring, or any context where precision is important.
Example: "When making the sauce, be sure to add the right amount of salt to enhance the flavor."
Alternatives: "include the correct quantity" or "measure the appropriate amount."
Add the right amount of stratospheric sulphur and the temperature will come back down to where it began.
"I don't trust anyone to add the right amount of sugar," said the man, Al Sessa, 40, an accountant, bodybuilder and health fanatic.
For instance, a can of Coca-Cola that tastes like Pepsi, or a Harley Davidson Perfume to add the right amount of biker smell.
Just crispy enough on the outside and tender and slightly moist inside, and the toasted hazelnuts add the right amount of crunch and nuttiness.
A little fucking in the streets never hurt anybody, and it might just add the right amount of glamour and subversive subtext to the current protest movements, something, perhaps, along the lines of that remarkably gl amorous) photograph taken last year in Vancouver which shows a young couple making love during a stupid sports riot.
Add the right amount of sugar or the rock candy won't form.
It was found that starch played a key role in shaping morphology of Bi24O31Br10, and especially a novel grain-like Bi24O31Br10 hierarchical architecture could be obtained by adding the right amount of starch.
It's not about adding the right amount of this and a tiny pinch of that, or tossing in some secret ingredient (though a chicken is, of course, de rigueur).
Slim driving gloves, lapel pins and zippered sleeves added the right amount of detail without being fussy or feminine.
Chef Jin adds the right amount of flare to keep a dish interesting — shishitos with a local chinook salmon, chermoula (a North African marinade usually served with fish) with muscovy duck — without overwhelming a meal that's also meant to show off the restaurant's wine list.
And her jeweled ear cuff adds the right amount of bling.
