One big failure wouldn't knock Qin Huai down, but four would.
For four consecutive days, Qin Huai was completely overturned by monumental failures.
He felt like he had solved several obvious issues, but after changing the ratios of the ingredients, new major problems would arise.
This mixed fruit filling recipe is just like a bug-ridden program; you know it theoretically works, but every time you fix one bug, a new one appears.
Qin Huai realized that this wasn't a simple recipe.
The ingredients for this mixed fruit filling are so numerous that even trying every combination is likely to take until next year.
Every time Zheng Siyuan tasted the rice balls, it was as if he were going to his execution, needing to mentally prepare himself before daring to eat the cooked ones.
As for Zheng Da, he directly retreated to his home, claiming he decided to focus diligently on research at home for a few days and would surprise Qin Huai with results upon emerging.