Originally Posted by QuiltE
Too salty ... my first thought would be that you have put in too much baking soda/powder. An easy slip-up is to add in tablespoons instead of the teaspoons the recipe calls for.
This was my first thought. If anything distracted you while baking it's easy to do.
Do you pre-measure all ingredients? Put each in a separate custard cup and there's no chance of adding twice.