Cream of tartar

A natural acid (tartaric acid) derived from winemaking. Stabilises beaten egg whites so meringue holds; also whips cream more firmly and activates baking soda in snickerdoodles.

Cream of tartar

Used for

  • meringue
  • whipped cream
  • snickerdoodles
  • angel food cake

In the kitchen

  • stabilize egg whites
  • activate baking soda

Picking it at the store

  • Keeps almost indefinitely sealed; a little goes a long way — 1/8 to 1/4 tsp is typical

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