The soup will reduce by adding some cooking starch.

汤中加些淀粉将变稠。

youdao

Whether the mixture of starch and urea is urea starch, the properties of mixture during cooking process were studied, and urea starch can be synthesized under reaction mechanism.

探讨淀粉加尿素的混合物是否就是尿素淀粉问题，研究了土豆淀粉与尿素机械混合物在煮浆过程中的反应性能，合成了尿素淀粉浆料。

youdao

The results indicated that cooking pressure and particle size remarkably affected the starch digestibility and the starch components in terms of digestion rate.

结果表明，烹调压力和颗粒大小对红小豆中淀粉消化率及淀粉组分有较大影响。

youdao

The corporation says it will produce processed foods like cooking oil, wine and starch on the land.

BBC: S Korea 'in Tanzania land deal'

What you need is a short, stocky oat that releases enough starch to thicken the cooking liquid and cooks up in about 30 minutes.

WSJ: Sean Brock's Oats Risotto With Peas and Pecorino | Slow Food Fast