A pinch of Qing dynasty protein. Which poem does this sentence stand for?

I don't know what you mean. No chef is proficient in poetry, and every dish can make beautiful poems. A scholar specially gave the chef two eggs and asked him to order several dishes, each of which should express an ancient poem. The chef accepted and cooked four courses. The first course is two pure egg yolks and some vegetables; The second way is to cut the boiled eggs into small pieces, arrange them in a straight line, and lay a green leaf under them: the third way is a pinch of Qing dynasty protein; The fourth way is a bowl of clear soup with four eggshells floating on it.

The author of this poem is Du Fu, a poet in the Tang Dynasty.

Original poem: Two orioles sing green willows and a row of egrets fly to the sky. My window framed the snow-covered western hills. My door often says "goodbye" to ships sailing eastward.

There were hundreds of temples in the Southern Dynasties, and how many terraces were misty and rainy? Thousands of miles of Ti Ying are green and red, and the water town is full of wine flags.