1 packet marie biscuits.
1 packet marshmallows.
Place 2 marie biscuits onto a microwave safe plate.
Place 1 marshmallow onto 1 marie biscuit.
Put the plate in the microwave.
Microwave for 10 seconds.
Remove plate from microwave.
Place the 1 marie biscuit on top of the marshmallow on the other marie biscuit and push down gently, making a sandwich.
Repeat with the rest of the marie biscuits and marshmallows.