There's an enzyme in milk that can affect yeast growth, so scald your milk first to destroy it and let it cool back down to room temperature. ... Bring milk almost to a simmer, about 185 degrees F, or when it starts to steam. Yeast. Lukewarm water always for activating.

Can you use milk to activate yeast?

Milk contains natural sugars such as lactose, so it can support a lively growth of yeast without any added table sugar. Fresh or cake yeast should react and begin to grow immediately, as soon as it's well moistened by the warm milk.

What does milk do to yeast?

Other aspects of milk in yeast doughs include: Dough may be mixed more intensively. Milk yields dough with a higher pH compared to water dough, and the fermentation will be slower. Fermentation tolerance (the ability of the dough to work properly in a range of temperatures) will be slightly improved.