To dream of baking represents preparation for something special in your life. Plans and ideas all coming together for a special event or something that’s important to you. Something you give special care to.
To dream of having problems while may represent delays, setbacks, or problems that have arisen while you were planning for something special.
If you mix ingredients that you normally would not combine then it suggests that you are trying something new.
Example: sometimes shows up in the dreams of pregnant women. reflects the special care they are giving to their babies and to their homes in preparation for the birth.