In Modern China, this went with kilograms and stuff. To make the transition easier for the average people they invented a new kind of catty. This section contains information on where substitutions can be made, and what they can be made with. US cake flour is lighter than these. US whole wheat flour is interchangeable with UK wholemeal flour.
Leavening agents Baking soda is sodium bicarbonate.
It must be mixed with acidic ingredients to work. Baking powder contains baking soda and a powdered acid, so it can work without other acidic ingredients. Sweetened condensed milk is, as the name implies, mixed with sugar or another sweetener already. If a recipe calls for buttermilk or cultured milk, you can make sour milk as a substitute. For each cup you need, take one tablespoon of vinegar or lemon juice , then add enough milk to make one cup.