substitutions

I spoke with my niece today (via text), and I thought I'd relay some of what we talked about, to get a few opinions here. The scenario: she was eating breakfast in a resort hotel restaurant. She's not traveling, it's just in her neighborhood and serves the public and hotel guests. Anyhoo, the...

Source: King Arthur Flour Baking powder substitute For every 1 teaspoon of baking powder called for in the recipe, combine ¼ teaspoon baking soda and ½ teaspoon cream of tartar. Bake immediately. Baking soda substitute Baking soda run out? For every ¼ teaspoon used in the recipe, substitute 1...