Why is my yeast dough sticky and hard to handle? Why does yeast dough sometimes feel sticky and hard to manage? In this quick video, I explain the most common reasons and what to do before adding more flour. Key Takeaway: Before adding more flour, try kneading longer, resting the dough, or lightly oiling your hands. Common Mistake: Adding too much flour too soon and ending up with dough that is too stiff and dry.