There is something special about sharing baked goods with family, friends and colleagues. But I'll never forget the ...

Check the expiration date to start or try this fun test to see if your baking powder is still active: Mix 1/2 teaspoon baking powder with 1/2 cup hot water; the mixture should bubble right away.

Baking soda is pure sodium bicarbonate.It is alkaline, which means it has a pH above the neutral 7 and reacts with acidic ingredients. Think about the old baking soda-and-vinegar school experiment.

Make baking powder at home, ... Just replace any water or milk with club soda for that bit of boost. Not a lot of power here, so don’t use it in cakes or other baking recipes.

Similarly to how baking soda reacts with water and an acidic ingredient, the acid in baking powder reacts with sodium bicarbonate. Once combined with a liquid , it releases carbon dioxide.

Every week, baking expert Alice Medrich goes rogue on Food52 — with shortcuts, hacks, and game-changing recipes. Today: Alice gets fresh — with baking powder and baking soda, that is.

2. Introduce the idea of “active ingredients” in baking powder. Question to investigate: What two ingredients in baking powder react together to produce bubbles when water is added? Remind students ...