Heat broiler to low (set rack in top two-thirds of oven if low-heat setting is unavailable).
Place marshmallows on one cracker and broil 1-3 minutes, or until they begin to brown and soften.
Remove from oven and place 1 teaspoon chocolate chips onto hot marshmallows.
Let sit 1 minute to allow chocolate to soften.
Place cracker on top and enjoy.