3. Meanwhile, explain the role of an enzyme â acting like a pair of scissors to cut up large chain molecules into smaller soluble ones. Show the model/pictures of starch, protein and fat molecules again and say the scissors (amylase/protease/lipase) break them down into glucose, amino acids and fatty acids.
How to substitute baking soda for baking powder. You can substitute baking soda for baking powder, if you increase the amount of acidic ingredients in the recipe to offset the baking soda. Youâll also need much less baking soda as it is 3 times as powerful as baking powder. Youâll need about a teaspoon of vinegar or lemon juice for every 1/2 teaspoon of baking soda.
1 So, if the recipe called for 1 tsp baking soda, you would use 3 tsp baking powder. 2  What I do is compromise... 3  I use twice the amount of baking powder as baking soda (add 2 tsp of baking powder if the recipe calls for 1 tsp baking soda), plus I omit the salt (which adds flavor but also affects rising in some recipes). You need baking soda and cream of tartar to make baking powder. 2  Mix 2 parts cream of tartar with 1 part baking soda. 3  For example, mix 2 tsp cream of tartar with 1 tsp baking soda. 4  Use the amount of baking powder called for by the recipe.