Answer:
One more than a duet.
This type of food, which is a fungus, is often served on supreme pizza, in spaghetti and in a particular "cream of" style soup
This dish is hot frankfurter served in a long, soft roll and typically topped with various condiments. Often served with hamburgers.
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
What is often returned, but never borrowed?
I am a room that has a roof but no walls. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?