Correct

溏心

/ táng xīn / 
Strokes

Example

As an Adjective

(of eggs) with a soft yolk

1
Tángxīnr  
溏心儿
sōnghuādàn
松花蛋

preserved egg with a jelly-like yolk

2
Tángxīnr  
溏心儿
jīdàn
鸡蛋

soft-boiled/soft-fried egg