Answer:
If you're looking for something sweet I know what to do. But if you don't like heat I'm not for you.
I am the type of room you cannot enter or leave. Raise from the ground below I could be poisonous or a delicious treat.
What breaks when you say its name?
I am an English word with three consecutive double letters. What am I?
I make a loud sound when I'm changing. When I do change I get bigger but weigh less. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.