Take a microwave safe bowl and fill it with water. Add a dash of vinegar. Set it in inside and turn the microwave on for 5 minutes. The water will turn to steam and the steam will soften up all the gunk. The vinegar helps to absorb the smells.
Use Salt To Clean Your Iron Pour salt on your ironing board (Perhaps cover with a pillow case or something to make clean up easy) then iron the salt with steam option off. The dirt on your iron will stick to the salt, making for an easy clean