Yeast. I have packets in the cabinet. How do I know it's active.

Question

Just decided to make Parker House Rolls. @katellington on Twitter

boulangere · Answer

It's a good idea to check the expiration date first.

katherine_ellington · Answer

Need to add sugar, too.

Amanda H. · Answer

Put 1/2 teaspoon of it in a bowl and cover with 2 tablespoons room temperature water. If the yeast dissolves and becomes foamy/fluffy, it's active.