The phrase "amount of sugar used" refers to the quantity or measurement of sugar that is added or incorporated into a specific recipe, dish, or beverage. Full definition
The girl's father, who expressed the opinion that people consume too much sugar these days, had made the batch with only one - fourth of the typical amount of sugar used in lemonade. (entrepreneur.com)
Recipe vary slightly in the amount of sugar used, ranging from 1/2 to 1 cup (I'm using 2/3 cup, which is somewhere in the middle, and I wouldn't recommend any more — but you can use a smaller quantity if you'd like them a little less sweet). (outside-oslo.com)
If you taste chickpeas, you can always increase the amount of sugar used. (seitanismymotor.com)