You will need
  • - teaspoon;
  • soda;
  • - vinegar, lemon juice or boiling water.
Pour the soda in a teaspoon. Most likely, the number of soda specified in the recipe, but the proper ratio is 1/4 teaspoon of baking soda 250 g flour.
Sprinkle in a spoon a little vinegar. This will start a chemical reaction — the baking soda interacts with the acid to release carbon dioxide, necessary for the dough was loose and raised up. A few drops of vinegar should be enough to all the soda turned into foam.
When all the soda will begin to foam and sizzle, immediately add it to the dough, without waiting for the end of the reaction.
In addition to the vinegar you can use lemon juice. Squeeze a lemon in a spoon with baking soda — the effect is the same as that from vinegar.
Sometimes soda quenched in kefir, yogurt or sour cream. However, in no case do not do this if the above ingredients are not listed in the recipe. If in the test there are any dairy products, to extinguish soda with vinegar or lemon juice is not necessary. Just add the required amount of soda in sour milk, yogurt or sour cream and stir, and then add the mixture to the dough.
Try to extinguish soda with boiling water. Soda decomposes not only when subjected to acid, but also heat.