This is a hyperbole bc it is an exaggerration
The only ingredients that you need for your own cake mix are all pantry staples like flour, sugar, cocoa powder, and leavening (i.e. baking powder and baking soda).
While we wait for the sun to rise is a sentence fragment.
There is no ending that completes the sentence.
To finish, an example would be:
<em>While we wait for the sun to rise, we eat breakfast.
</em><em>
</em>
