Pour a layer of chocolate chips into a baking dish. Cover the bottom of the dish but do not make the layer too deep.
LARGE MARSHMALLOWS: Cut the large marshmallows in half and cover chocolate chips with them.MINI MARSHMALLOWS: Place one layer of mini marshmallows on top of the chocolate chips.
Place dish into the oven for 8-10 minutes and bake until marshmallows are toasted on top.