I have a wonderful chocolate cake recipie but it doesn't make quite enough mixture to make my cake the height I want it. I would like it to be about 2 -3 cm higher. could I ajust the mixture to make more.
Be sure to adjust all components not just one...
You can double the recipe.
Doubling the recipe is always good & with the extra make cupcakes for the kids :0) I do this & freeze the cupcakes for the kids lunches :0)
Doubling a recipe does not always work. I would try it for a home cake before I made it for a client.
I use this article for adjusting cake quantities.
http://www.deliaonline.com/community/yourrecipes/baking/Scaling-cake-ingredients.html
Doesn't help with cooking times obviously but quantities work out pretty well.
Search the recipes here for Cake Extender. Here's the one I use-it increases your batter volume by about 2 cups-you can cut it in half if you don't need that much
1 cup flour
3/4 cup sugar
1 tsp baking powder
1/2 cup vegetable oil
2/3 cup water
Add the dry to your dry ingredients or your dry cake mix - add the oil and water with your other wet ingredients. If you are making a chocolate cake you can take 2-3 T of the flour out and replace it with 2-3 T cocoa powder.
I am assuming your recipe is a scratch recipe. If it is, the extender recipe may not work. Scratch recipes are a chemical reaction between everything.
You may be able to half your recipe instead of doubling it, but definitely do a test run first, as not all scratch recipes will work the same if they are halved or doubled.
If you're using a mix to start with then I would try one of the extender recipes.
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