Things You'll Need
Table sugar
Molasses
![Mixing oatmeal raisin cookie dough](https://img.ehowcdn.com/375/photos.demandstudios.com/getty/article/106/226/187645070.jpg)
If you're in the middle of making up a batch of cookies or a cake, adding the ingredients as you work from a recipe in your cookbook, you may find that you are lacking something and need to make a substitution. If that something you are missing is brown sugar, there aren't really a lot of options for substitution, but the method below works reasonably well.
Step 1
Determine how many ounces of brown sugar you need by looking at the recipe. One cup of brown sugar equals 8 oz. by weight.
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Step 2
![Spoon of syrup](https://img.ehowcdn.com/375/photos.demandstudios.com/getty/article/73/186/imsis226-044.jpg)
Pour 1 oz. of table sugar and 1 tbsp. of molasses into a bowl for each ounce of brown sugar the recipe calls for, and mix thoroughly.
Step 3
![Spoonful of sugar](https://img.ehowcdn.com/375/photos.demandstudios.com/getty/article/181/8/157541706.jpg)
Add this mixture to the other ingredients at the point where the recipe calls for brown sugar.
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