Answer:
This is the main ingredient in spaghetti and Mac-N-Cheese.
What ends in E, starts with E and has a letter inside it?
Tomorrow's yesterday. Yesterday's tomorrow. What is it?
Defends your noggin from the hard pavement
I occur twice in eternity. And I'm always within sight.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?