Answer:
I'm a soft, sweet food made from a mixture of flour, shortening, eggs, sugar, and other ingredients, baked and often decorated.
Strip the skin under my skin, and my flesh you'll reveal. It tastes sweet and tart, now throw out the peel. What is it?
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?
What can be opened but cannot be closed?
A wonderful elixir, It is your fluid fixer. Gulp it down and turn like a concrete mixer. Dark as night and sweet as sin, It's like liquid heroin.
Long and slinky like a trout, never sings till it's guts come out.