Cooking in a dream usually reflects nurturing and transformation -- taking raw ingredients, whether literal or emotional, and turning them into something that can sustain you or someone else. A dish coming together well can point to a plan finally taking shape, while a kitchen disaster often names a process still in progress.
The reception of Planets when they behold one another, if it be strong, doth diminish the malice of an evil aspect, and increase the goodness of a good aspect. - William Lilly (1602.-1681.)