Material aspects: We all have within us the ability to alter our approach or attitude to situations in our lives. Dreaming of a baker alerts us to this ability, of a bakery, to changes to our environment, and of baking, the methods we must use.
Gain; increase. This could be financial gain or it could be increase in the size of your family— a child! It is more likely to be the latter if someone hands you a loaf of bread, say the Gypsies. Overall, anything to do with a bakery symbolizes joy. See also Eating / Drinking (Bread) and Meeting.