How do I keep schnitzel crisp after frying? How do you keep schnitzel crisp after frying? In this quick video, I explain the simple steps that help the coating stay crunchy instead of turning soft from trapped steam. Key Takeaway: For crisp schnitzel, let the steam escape after frying, keep it warm on a rack in a low oven, and wait until serving to add any sauce. Common Mistake: Stacking schnitzel on a plate or leaving it too long on paper towels, where steam gets trapped and softens the coating.