Those frozen rolls are basically hibernating yeast. Yeast is a sleepy, living fungus that wakes up when it gets warm and cozy. Normally, we let it wake up slowly in the fridge or on the counter, like a lazy Sunday morning.
But you’re not in the mood for lazy. You want a power nap for your dough, not a full eight hours of sleep. The trick is to give yeast just the right amount of heat to get it moving without shocking it into a coma.
