Solve the following riddle :

In a powdered form, I'm fine and bold,

To make your meals hot and never cold.

Add too much, you might just plea,

As you gasp and wheeze, 'shhee, shhee...'

Tears will fall, your nose may run,

Under my spicy, fiery sun.

Ponder now, do not shy,

Quickly answer, who am I?

The solution is