Several stores throughout the realms offer equipment for baking a variety of
goods, as well as pressing ones own juices, from the various delicacies that
can be found in nature and elsewhere.
If you are interested, you need to find the required information, and figure
out how to actually bake things, in character. However, there are many
experts and a few books on the topic available, if you look for them.
Baking is not a skill, like cooking. Anyone can do it, if they have the
proper equipment, supplies, and can work out the right keywords involved for
a given recipe.