Put a pot holder under your flower pot. Place the sterno inside of the pot and light it.
Put two square graham crackers on a plate.
Put a couple of pieces of chocolate onto one side of your graham crackers.
Place your marshmallow on a kebab stick and warm it over the flame. DO NOT DO THIS UNLESS A RESPONSIBLE ADULT IS THERE.
If the marshmallow catches on fire. Blow the fire out gently. Blowing it out fast and hard may cause sparks and could be a fire hazard.
Smush the marshmallow onto the chocolate topped cracker. Use the other cracker to grip the marshmallow and pull the kebab stick out.
Eat. And repeat the steps... You will want more.